message: Renamed LoaderPlugin to AppLoaderPlugin
diff: @@ -21,10 +21,10 @@ loader.load(() => {});
  Using the loader as an Application plugin:
  ```js
  -import { LoaderPlugin } from '@pixi/loaders';
  +import { AppLoaderPlugin } from '@pixi/loaders';
  import { Application } from '@pixi/app';
  -Application.registerPlugin(LoaderPlugin);
  +Application.registerPlugin(AppLoaderPlugin);
  const app = new Application();
  app.loader.add('path/to/file.jpg');
  