Put description in PR template into comment

[afc163]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Branch merge
• Other (about what?)

👻 What's the background?

这样提交后这些信息不会展示到 PR 里。

💡 Solution

1. How to fix the problem, and list final API implementation and usage sample if that is an new feature.

2. GIF or snapshot should be provided if includes UI/interactive modification.

📝 Changelog description

Describe changes from userside, and list all potential break changes or other risks.

1. English description

2. Chinese description (optional)

☑️ Self Check before Merge

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[netlify]

Deploy preview for ant-design ready!

Built with commit b310697

https://deploy-preview-15513--ant-design.netlify.com

[codecov]

Codecov Report

Merging #15513 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #15513   +/-   ##
=======================================
  Coverage   94.34%   94.34%           
=======================================
  Files         250      250           
  Lines        6653     6653           
  Branches     1949     1914   -35     
=======================================
  Hits         6277     6277           
  Misses        375      375           
  Partials        1        1

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