[Added] Tutorial Screen, Start of the Game Screen

src/main.cpp

@@ -8,6 +8,7 @@
 int main(void)
 {
     StateService& stateService = StateService::getInstance();
+    stateService.setScreenSize({640,544});
     stateService.startGame();
     // std::cout << "StateService instance: " << service << std::endl;