message: Updated docs on app Ticker
diff: @@ -48,6 +48,8 @@ export default class Application
  * @param {string} [options.powerPreference] - Parameter passed to webgl context, set to "high-performance"
  * for devices with dual graphics card. **(WebGL only)**.
  * @param {boolean} [options.sharedTicker=false] - `true` to use PIXI.Ticker.shared, `false` to create new ticker.
  + * If set to false, you cannot register a handler to occur before anything that runs on the shared ticker.
  + * The system ticker will always run before both the shared ticker and the app ticker.
  * @param {boolean} [options.sharedLoader=false] - `true` to use PIXI.Loader.shared, `false` to create new Loader.
  * @param {Window|HTMLElement} [options.resizeTo] - Element to automatically resize stage to.
  */
  