* destroy loading-scene when done
- unused event listeners are shut off
- children are removed
- `loading_bg` will be removed after transition is finished
- Added some simple types for `rex` plugins
* fix tests
* fix pokemonSprite.test.ts
on local runs it would include hidden dirs like `.DS_store`. Any files starting with `.` is now excluded
* add `mockGameObjectCreator` and use in `gameWrapper`
* add battle-scene.test.ts
add test to verify that LoadingScene is being removed on `BatleScene.create()` call
* update types usage for phaser3-rex-plugins
* remove phaser-extensions.d.ts
fk you typedoc...
