feat: Refactor global event handling in ArtPlayer

- Introduced a new globalInit function to manage document and window events.
- Replaced direct event proxies with a unified bindGlobalEvents method.
- Updated event handling in various modules to utilize the new global event system.
- Removed the deprecated documentInit module.
- Bumped version to 5.2.6 in package.json.

packages/artplayer/src/events/gestureInit.js

@@ -99,6 +99,6 @@ export default function gestureInit(art, events) {
     })
 
     events.proxy($progress, 'touchmove', onTouchMove)
-    events.proxy(document, 'touchend', onTouchEnd)
+    art.on('document:touchend', onTouchEnd)
   }
 }