work on moving shader loading/compilation to a separate file

inc/util.hpp

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <stdio.h>
+
+template<class T> struct Array {
+    T* _data;
+    size_t len;
+
+    T& operator[](int i);
+};
+
+typedef unsigned int uint;
+
+bool read_file(Array<char>* out, const char* filepath);