:sparkles: emoji功能

[fzdwx]

Describe the effect you want to achieve
最好在附加一个功能，就是在聊天框中输入:时会自动弹出,像gitub的这种效果

Describe the solution you'd like
https://github.com/serebrov/emoji-mart-vue
https://gitmoji.dev/
https://www.emojiall.com/zh-hans

[fzdwx]

qqqq
🚀