adding gfx and ui stuff

gfx/gfx.c

@@ -0,0 +1,15 @@
+#define RAYMATH_IMPLEMENTATION
+#define STB_IMAGE_IMPLEMENTATION
+#define STB_TRUETYPE_IMPLEMENTATION
+#define TINYOBJ_LOADER_C_IMPLEMENTATION
+
+#include "platform.c"
+#include "render.c"
+#include "ui.c"
+#include "debug.c"
+#include "geometry.c"
+#include "Mesh.c"
+#include "Shader.c"
+#include "Texture.c"
+#include "Color.c"
+#include "world/world.c"