added rest of the openGL implementation theoreticaly the engine can render now

TSE_GlfwOpenGlImpl/src/shader/defaultShaderHandler.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+namespace TSE::GLFW
+{
+    void LoadBasicShaders(float width, float height);
+    void UnLoadBasicShaders();
+} // namespace TSE::GLFW