Add: space invaders game

src/game/global/global_variables.js

@@ -22,6 +22,12 @@ const GAME_SCREEN_SIZE = { x: 1024, y: 768 }
 
 let sessionStorageManager = new SessionStorageManager();
 {
+	if(isDebugMode()) {
+		sessionStorageManager.playerName = "박지상";
+		sessionStorageManager.playerUserID = 1;
+		sessionStorageManager.playingAppName = "space_invaders";
+	}
+	
 	console.log("playerName : " + sessionStorageManager.playerName);
 	console.log("playerUserID : " + sessionStorageManager.playerUserID);
 	console.log("playingAppName : " + sessionStorageManager.playingAppName);