fixed includes

src/window.c

@@ -1,3 +1,4 @@
+#include <GLFW/glfw3.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -6,7 +7,10 @@
 #include "config.h"
 #include "types.h"
 
-#include "glfw.h"
+#ifndef GLAD_GL_IMPLEMENTATION
+#define GLAD_GL_IMPLEMENTATION
+#include <glad/gl.h>
+#endif
 
 // TODO split into smaller functions
 // TODO custom struct to remove glfw in signature