Reorganize and add License

src/main.cpp

@@ -0,0 +1,22 @@
+#include <iostream>
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+
+#include "Controller.h"
+
+int main(int argc, char** argv) {
+    // Suppress warning about unused variable
+    (void)argc; (void)argv;
+
+    #ifdef _DEBUG
+    std::cout << "[Debug Mode]" << std::endl;
+    #endif
+
+    // Create window
+    Controller *mainController = new Controller();
+
+    mainController->run();
+
+    delete mainController;
+    return 0;
+}