add unique id generator

[komuw]

No description provided.

[codecov-commenter]

Codecov Report

Merging #50 (c7b5219) into main (03ad4db) will decrease coverage by 0.16%.
The diff coverage is 76.92%.

@@            Coverage Diff             @@
##             main      #50      +/-   ##
==========================================
- Coverage   82.89%   82.72%   -0.17%     
==========================================
  Files          13       14       +1     
  Lines         982      990       +8     
==========================================
+ Hits          814      819       +5     
- Misses        143      145       +2     
- Partials       25       26       +1     

Impacted Files	Coverage Δ
id/id.go	62.50% <62.50%> (ø)
log/log.go	87.59% <100.00%> (ø)
middleware/csrf.go	93.25% <100.00%> (ø)
middleware/middleware.go	100.00% <100.00%> (ø)
middleware/security.go	98.27% <100.00%> (ø)

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