Added music and perfom bug fixes

src/main.cpp

@@ -206,7 +206,7 @@ int main(int argc, char* argv[]) {
 		"Shadow Over Bishkek",
 		SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
 		0, 0,
-		SDL_WINDOW_FULLSCREEN | SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN
+		SDL_WINDOW_FULLSCREEN | SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE
 	);
 
 	if (!FRG::Environment::window) {