feat(#15): add basic character and update camera to follow it

modules/game-objects/map-management.js

@@ -27,6 +27,6 @@ export class MapManagement extends GameObject {
     }
     const map = this.gameObjects.find((item) => item.elementId === elementId);
     this.selected = map.name;
-    this.eventEmitter.emit("changeLevel");
+    this.eventEmitter.emit("levelChanged");
   }
 }