[WIP] feat: site support pwa

[AshoneA]

🤔 This is a ...

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

🔗 Related issue link

💡 Background and solution

To make the site support PWA and installed. Users can check site docs offline. Improve experience in terrible network.

📝 Changelog

Language	Changelog
🇺🇸 English	To make the site support PWA and installed.
🇨🇳 Chinese	网站支持 PWA 并且能够被安装。

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• 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

[tests-checker]

Could you please add tests to make sure this change works as expected?

[AshoneA]

第一次写 pwa 感觉缓存这部分还有点问题，先预览一下试试可不可行。想法来自于昨天你们的面试问题，用户打开网站感觉很慢怎么办...

[ant-design-bot]

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[codecov]

Codecov Report

Merging #22412 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #22412   +/-   ##
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  Coverage   98.08%   98.08%           
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  Files         306      306           
  Lines        7046     7046           
  Branches     1928     1938   +10     
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  Hits         6911     6911           
  Misses        135      135

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[afc163]

pwa 之前上过，对于经常更新的网站有很多问题。不建议上。

[AshoneA]

pwa 之前上过，对于经常更新的网站有很多问题。不建议上。

是缓存这块经常会出问题吗？

[shaodahong]

pwa 之前上过，对于经常更新的网站有很多问题。不建议上。

是缓存这块经常会出问题吗？

更新频繁，收益低，缓存命中率能够涵盖绝大部分，Antd 主站大部分静态资源都有 CDN 护体，用户本地文档出问题了排查困难（一旦出问题了就会觉得坑，弃用），而且 Antd 服务器在国外，你用神秘力量试试完全是两个体验

[afc163]

PWA 的缓存会导致更新不及时和部分路径变化（新增路径/修改路径）后的 404。

[AshoneA]

@afc163 @shaodahong 看来大家都是踩过坑的人... 那我周末再看下，感觉不行的话我自己关了。