新增通过 code 生成 jsonschema

[wangweianger]

1. 新增通过 code 生成 jsonschema
2. 修复解析泛型不成功问题

[codecov-commenter]

Codecov Report

Merging #24 (2309a32) into master (176adcb) will decrease coverage by 0.78%.
The diff coverage is 84.09%.

❗ Current head 2309a32 differs from pull request most recent head 3d6cf1d. Consider uploading reports for the commit 3d6cf1d to get more accurate results

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@@            Coverage Diff             @@
##           master      #24      +/-   ##
==========================================
- Coverage   94.88%   94.11%   -0.78%     
==========================================
  Files           3        3              
  Lines         802      867      +65     
  Branches      295      323      +28     
==========================================
+ Hits          761      816      +55     
- Misses         41       51      +10     

Impacted Files	Coverage Δ
src/utils.ts	71.42% <14.28%> (-28.58%)	⬇️
src/get-jsonschema-from-data.ts	95.20% <66.66%> (-0.67%)	⬇️
src/typescript-to-file-datas.ts	94.22% <94.20%> (+0.47%)	⬆️

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