feat: Sign all request

[yukimochi]

related #94

• Current GET Request sign is not interoperational.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 60.86957% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.78%. Comparing base (528e801) to head (e7fd53b).
⚠️ Report is 30 commits behind head on master.

Files with missing lines	Patch %	Lines
models/http_sign.go	73.33%	2 Missing and 2 partials ⚠️
models/models.go	0.00%	4 Missing ⚠️
api/decode.go	66.66%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##           master      #95      +/-   ##
==========================================
+ Coverage   61.73%   61.78%   +0.05%     
==========================================
  Files          16       17       +1     
  Lines        1487     1489       +2     
==========================================
+ Hits          918      920       +2     
  Misses        516      516              
  Partials       53       53              

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