feat: support jwt plugin

[Yiyiyimu]

Signed-off-by: yiyiyimu wosoyoung@gmail.com

[codecov-commenter]

Codecov Report

Merging #18 (ea8140b) into main (378d4fe) will decrease coverage by 2.56%.
The diff coverage is 5.00%.

@@            Coverage Diff             @@
##             main      #18      +/-   ##
==========================================
- Coverage   67.25%   64.69%   -2.57%     
==========================================
  Files          12       12              
  Lines         507      524      +17     
==========================================
- Hits          341      339       -2     
- Misses        105      123      +18     
- Partials       61       62       +1     

Impacted Files	Coverage Δ
pkg/kong/plugin.go	43.63% <0.00%> (-6.37%)	⬇️
pkg/kong/consumer.go	44.82% <6.66%> (-41.84%)	⬇️

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