added character position saving

src/saving/saving.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+#include <fstream>
+using namespace std;
+
+void SaveGame(int x, int y) {
+  ofstream outfile("save.json");
+
+  outfile << x << " " << y << std::endl;
+
+  outfile.close();
+}