fix(docs): add loadingBar to show progress

[AFine970]

[docs] 文档内部导航跳转会卡一下，体验不好

fix #1538

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

What is the new behavior?

既然是懒加载，那就加一个progress来缓解焦虑。。。

Other information

[idux-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #1615 (d3a4420) into main (ab4e4b0) will decrease coverage by 0.20%.
The diff coverage is 86.81%.

❗ Current head d3a4420 differs from pull request most recent head 75ca02a. Consider uploading reports for the commit 75ca02a to get more accurate results

@@            Coverage Diff             @@
##             main    #1615      +/-   ##
==========================================
- Coverage   92.76%   92.56%   -0.20%     
==========================================
  Files         332      338       +6     
  Lines       30695    31542     +847     
  Branches     3510     3602      +92     
==========================================
+ Hits        28473    29198     +725     
- Misses       2222     2344     +122     

Files Changed	Coverage Δ
packages/components/icon/src/definitions.ts	100.00% <ø> (ø)
packages/pro/search/src/ProSearch.tsx	19.83% <0.00%> (-0.73%)	⬇️
packages/components/config/src/seerConfig.ts	88.46% <37.50%> (-9.27%)	⬇️
packages/components/icon/src/utils.ts	73.60% <78.57%> (+1.34%)	⬆️
packages/components/text/src/Text.tsx	89.80% <89.80%> (ø)
packages/components/card/src/Card.tsx	99.36% <100.00%> (ø)
packages/components/config/src/defaultConfig.ts	100.00% <100.00%> (ø)
packages/components/config/src/types.ts	100.00% <100.00%> (ø)
packages/components/icon/src/dependencies.ts	99.12% <100.00%> (-0.05%)	⬇️
packages/components/input/src/Input.tsx	100.00% <100.00%> (ø)
... and 12 more

... and 3 files with indirect coverage changes