actually add vendor folder

vendor/raylib/cmake/raylib-config-version.cmake

@@ -0,0 +1,21 @@
+set(PACKAGE_VERSION "@PROJECT_VERSION@")
+
+if(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
+  set(PACKAGE_VERSION_EXACT TRUE)
+endif()
+if(NOT PACKAGE_FIND_VERSION VERSION_GREATER PACKAGE_VERSION)
+  set(PACKAGE_VERSION_COMPATIBLE TRUE)
+else(NOT PACKAGE_FIND_VERSION VERSION_GREATER PACKAGE_VERSION)
+  set(PACKAGE_VERSION_UNSUITABLE TRUE)
+endif(NOT PACKAGE_FIND_VERSION VERSION_GREATER PACKAGE_VERSION)
+
+# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
+if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
+   return()
+endif()
+
+if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
+  math(EXPR installedBits "8 * 8")
+  set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
+  set(PACKAGE_VERSION_UNSUITABLE TRUE)
+endif()