feat(openapi): support openapi plugins

[chenshuai2144]

No description provided.

[codecov]

Codecov Report

Merging #527 (b82a866) into master (7212b8b) will decrease coverage by 1.05%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #527      +/-   ##
==========================================
- Coverage   47.63%   46.57%   -1.06%     
==========================================
  Files          66       67       +1     
  Lines        1541     1576      +35     
  Branches      424      429       +5     
==========================================
  Hits          734      734              
- Misses        806      841      +35     
  Partials        1        1              

Impacted Files	Coverage Δ
packages/plugin-layout/src/layout/index.tsx	0.00% <ø> (ø)
packages/plugin-openapi/src/index.ts	0.00% <0.00%> (ø)

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[XuJin186]

是否提供一个是否 camel命名参数 有些在swagger文档里是大写的 但是Josn序列号之后就是camel