update

src/gfx/Shader.cpp

@@ -54,5 +54,7 @@ Shader createShader(const char* vertex_path, const char* fragment_path) {
 
     glDeleteShader(vertex_shader);
     glDeleteShader(fragment_shader);
+
+    return result;
 }
 

src/gfx/gfx.cpp

@@ -0,0 +1,5 @@
+#include "Mesh.cpp"
+#include "Shader.cpp"
+#include "Texture.cpp"
+#include "geometry.cpp"
+#include "Color.cpp"