Merge pull request #282 from uknownothingsnow/openhands-workspace-4mkmbnes

Fix issue #280: Add support for persistent callbacks

Merge pull request #281 from uknownothingsnow/improve-readme-documentation

Update android.yml

Improve README documentation

Merge pull request #272 from thorjay/master

Merge pull request #270 from thorjay/fixcustomview

Merge pull request #276 from liu-wanshun/patch-1

Delete library/src/main/res directory

[update]:[update README,更新CustomWebview的教程]

[add]:[update README,添加JsBridge如何进行双向通信]

[fix&update]:[解决CustomWebview在demo上无法使用的一些问题，同步BridgeWebview在js调用java函数、回调上的方式]

add removeHanlder js method

Update README.md

fix.