Create codeql.yml

Merge pull request #20 from wsrh8888/call

[docs] update mobile client to flutter and deprecate uniapp

[feat]增加文档的入口

Merge pull request #19 from wsrh8888/call

[feat]增加call的打包模块

Merge branch 'master' of https://github.com/wsrh8888/beaver-server into call

[feat]优化

[feat]优化发送消息、撤回消息等内容

[feat]增加撤回&删除&转发&回复能力&联调call模块

[feat]联调

[feat]联调

[feat]联调call

[feat]联调语音通话

[feat]增加call模块