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.

CHANGELOG_CN.md

@@ -7,9 +7,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ## [Unreleased]
 
 -  移除 `svg` 默认的 `fill` 颜色值
--  优化 `artplayer.d.ts`, 现在可以直接导入 `Option`
 -  优化 `autoOrientation` 逻辑
 -  添加 `artplayer-plugin-document-pip` 插件
+-  添加 `art.events.bindGlobalEvents` 方法，用于重新绑定全局方法
+-  优化 `artplayer.d.ts`, 现在可以直接导入 `Option`
 
 ```ts
 import type { Option } from 'artplayer'