* docs: 增加 qq 群([`646b2e4`](http://github.com/wangeditor-team/wangEditor/commit/646b2e47852b6b01396e7f132f63c554a5933ad9)) * 修复恢复和撤销按钮英文翻译错误([`79bf1a5`](http://github.com/wangeditor-team/wangEditor/commit/79bf1a5ac726f53517afcfd6a23b1a7717ed70c4))