Started implementing deficated editor GUI

src/gamedata/GameData.h

@@ -7,6 +7,8 @@ extern flecs::entity player;
 void setup_minimal();
 void setup(Ogre::SceneManager *scnMgr, Ogre::SceneNode *cameraNode,
 	   Ogre::Camera *camera, Ogre::RenderWindow *window);
+void setupEditor(Ogre::SceneManager *scnMgr, Ogre::SceneNode *cameraNode,
+	   Ogre::Camera *camera, Ogre::RenderWindow *window);
 void update(float delta);
 flecs::world get();
 template <class T> const T &get()
@@ -22,4 +24,4 @@ template <class T> void modified()
 	ECS::get().modified<T>();
 }
 }
-#endif
+#endif