feat: default value for http error header

[popomore]

No description provided.

[codecov]

Codecov Report

Merging #6 into master will increase coverage by 0.29%.
The diff coverage is 100%.

@@           Coverage Diff            @@
##           master     #6      +/-   ##
========================================
+ Coverage    99.7%   100%   +0.29%     
========================================
  Files          50     50              
  Lines         341    341              
  Branches       47     48       +1     
========================================
+ Hits          340    341       +1     
+ Partials        1      0       -1

Impacted Files	Coverage Δ
lib/error.ts	100% <ø> (ø)	⬆️
lib/exception.ts	100% <ø> (ø)	⬆️
lib/http/http_error.ts	100% <100%> (+16.66%)	⬆️
lib/base.ts	100% <100%> (ø)	⬆️
lib/index.ts	100% <100%> (ø)

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