Suport cancellable (or custom) context

[rinchsan]

close #16

[codecov]

Codecov Report

Merging #34 (d08229d) into main (9e33767) will decrease coverage by 4.98%.
The diff coverage is 57.14%.

❗ Current head d08229d differs from pull request most recent head 1dff921. Consider uploading reports for the commit 1dff921 to get more accurate results

@@            Coverage Diff             @@
##             main      #34      +/-   ##
==========================================
- Coverage   95.77%   90.78%   -4.99%     
==========================================
  Files           9        9              
  Lines         213      228      +15     
==========================================
+ Hits          204      207       +3     
- Misses          6       14       +8     
- Partials        3        7       +4     

Impacted Files	Coverage Δ
credential.go	91.17% <40.00%> (-8.83%)	⬇️
jwt.go	87.50% <40.00%> (-12.50%)	⬇️
query.go	79.06% <45.45%> (-12.60%)	⬇️
api.go	100.00% <100.00%> (ø)
update.go	88.00% <100.00%> (ø)
validate.go	86.95% <100.00%> (ø)

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