actually add vendor folder

vendor/raylib/examples/models/resources/LICENSE.md

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+| resource             | author      | licence | notes |
+| :------------------- | :---------: | :------ | :---- |
+| models/obj/castle.obj,<br>models/obj/castle_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/bridge.obj,<br>models/obj/bridge_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/house.obj,<br>models/obj/house_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode)  | - |
+| models/obj/market.obj,<br>models/obj/market_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode)  | - |
+| models/obj/turret.obj,<br>models/obj/turret_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/well.obj,<br>models/obj/well_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/cube.obj,<br>models/obj/cube_diffuse.png | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/obj/plane.obj,<br>models/obj/plane_diffuse.png | [GiaHanLam](https://sketchfab.com/GiaHanLam)  | [CC-BY](https://creativecommons.org/licenses/by/4.0/)  | Used by: [`models_yaw_pitch_roll.c`](https://github.com/raysan5/raylib/blob/master/examples/models/models_yaw_pitch_roll.c)
+| models/iqm/guy.iqm,<br>models/iqm/guyanim.iqm,<br>models/iqm/guytex.png,<br>models/iqm/guy.blend | [@culacant](https://github.com/culacant)  | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/gltf/robot.glb,<br>models/gltf/robot.blend | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/vox/chr_knight.vox |  ❔         | ❔     | - |
+| models/vox/chr_sword.vox  |  ❔         | ❔     | - |
+| models/vox/monu9.vox   |  ❔            | ❔     | - |
+| billboard.png          | [@emegeme](https://github.com/emegeme)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| cubicmap.png           | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| cubicmap_atlas.png     | [@emegeme](https://github.com/emegeme)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| heightmap.png          | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| dresden_square_1k.hdr  | [HDRIHaven](https://hdrihaven.com/hdri/?h=dresden_square) | [CC0](https://hdrihaven.com/p/license.php) | - |
+| dresden_square_2k.hdr  | [HDRIHaven](https://hdrihaven.com/hdri/?h=dresden_square) | [CC0](https://hdrihaven.com/p/license.php) | - |
+| skybox.png             |  ❔            | ❔     | - |

vendor/raylib/examples/models/resources/models/gltf/LICENSE

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+robot.glb model by @Quaternius (https://www.patreon.com/quaternius)
+Licensed under CC0 1.0 Universal (CC0 1.0) - Public Domain Dedication (https://creativecommons.org/publicdomain/zero/1.0/)

vendor/raylib/examples/models/resources/models/vox/LICENSE

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+The following models are provided by the official github repo of voxel-model format by MagikaVoxel developer @ephtracy
+
+GitHub official repo: https://github.com/ephtracy/voxel-model
+
+ - chr_knight.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_knight.vox
+ - chr_sword.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_sword.vox
+ - monu9.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/monument/monu9.vox
+ 
+Worth mentioning there is no license specified for the models yet: https://github.com/ephtracy/voxel-model/issues/22

vendor/raylib/examples/models/resources/shaders/glsl100/cubemap.fs

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+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform sampler2D equirectangularMap;
+
+vec2 SampleSphericalMap(vec3 v)
+{
+    vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
+    uv *= vec2(0.1591, 0.3183);
+    uv += 0.5;
+    return uv;
+}
+
+void main()
+{
+    // Normalize local position
+    vec2 uv = SampleSphericalMap(normalize(fragPosition));
+
+    // Fetch color from texture map
+    vec3 color = texture2D(equirectangularMap, uv).rgb;
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

vendor/raylib/examples/models/resources/shaders/glsl100/cubemap.vs

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+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Calculate final vertex position
+    gl_Position = matProjection*matView*vec4(vertexPosition, 1.0);
+}

vendor/raylib/examples/models/resources/shaders/glsl100/skybox.fs

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+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform samplerCube environmentMap;
+uniform bool vflipped;
+uniform bool doGamma;
+
+void main()
+{
+    // Fetch color from texture map
+    vec4 texelColor = vec4(0.0);
+
+    if (vflipped) texelColor = textureCube(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z));
+    else texelColor = textureCube(environmentMap, fragPosition);
+
+    vec3 color = vec3(texelColor.x, texelColor.y, texelColor.z);
+
+    if (doGamma) // Apply gamma correction
+    {
+        color = color/(color + vec3(1.0));
+        color = pow(color, vec3(1.0/2.2));
+    }
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

vendor/raylib/examples/models/resources/shaders/glsl100/skybox.vs

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+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}

vendor/raylib/examples/models/resources/shaders/glsl330/cubemap.fs

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+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec3 fragPosition;
+
+// Input uniform values
+uniform sampler2D equirectangularMap;
+
+// Output fragment color
+out vec4 finalColor;
+
+vec2 SampleSphericalMap(vec3 v)
+{
+    vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
+    uv *= vec2(0.1591, 0.3183);
+    uv += 0.5;
+    return uv;
+}
+
+void main()
+{
+    // Normalize local position
+    vec2 uv = SampleSphericalMap(normalize(fragPosition));
+
+    // Fetch color from texture map
+    vec3 color = texture(equirectangularMap, uv).rgb;
+
+    // Calculate final fragment color
+    finalColor = vec4(color, 1.0);
+}

vendor/raylib/examples/models/resources/shaders/glsl330/cubemap.vs

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+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Calculate final vertex position
+    gl_Position = matProjection*matView*vec4(vertexPosition, 1.0);
+}

vendor/raylib/examples/models/resources/shaders/glsl330/skybox.fs

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+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec3 fragPosition;
+
+// Input uniform values
+uniform samplerCube environmentMap;
+uniform bool vflipped;
+uniform bool doGamma;
+
+// Output fragment color
+out vec4 finalColor;
+
+void main()
+{
+    // Fetch color from texture map
+    vec3 color = vec3(0.0);
+
+    if (vflipped) color = texture(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z)).rgb;
+    else color = texture(environmentMap, fragPosition).rgb;
+
+    if (doGamma)// Apply gamma correction
+    {
+        color = color/(color + vec3(1.0));
+        color = pow(color, vec3(1.0/2.2));
+    }
+
+    // Calculate final fragment color
+    finalColor = vec4(color, 1.0);
+}

vendor/raylib/examples/models/resources/shaders/glsl330/skybox.vs

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+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}