Problem
What problem does this solve?
现在没有项目整体置顶，对于项目多的并不友好
Solution
How should it work?
增加一个项目置顶的功能，且允许多个置顶
Use Case
When would you use this?
左侧项目栏使用
Priority
-
High - Blocking issue - [√ ]
Medium - Important improvement -
Low - Nice to have
Additional Info
(Optional: screenshots, examples, links)