* Allow to set the position of the window, minimize/maxizime it, resize it,
* Allow to enter a fullscreen and "Kiosk mode" (where the user can't disable the fullscreen),
* Allow to set the window opacity, enable/disable shadow (according to the OS) and use other advanced features.
This means that the global object PIXI will now be properly typed and understood by TypeScript.
Also fix documentation generation
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