[Task] add verify jwt handler

[John-Lin]

No description provided.

[codecov-io]

Codecov Report

Merging #279 into develop will increase coverage by 0.02%.
The diff coverage is 76%.

@@            Coverage Diff             @@
##           develop    #279      +/-   ##
==========================================
+ Coverage    78.57%   78.6%   +0.02%     
==========================================
  Files           60      60              
  Lines         3361    3379      +18     
==========================================
+ Hits          2641    2656      +15     
- Misses         547     548       +1     
- Partials       173     175       +2

Impacted Files	Coverage Δ
src/server/testutils.go	73.91% <100%> (-2.09%)	⬇️
src/server/route.go	84.8% <100%> (+0.12%)	⬆️
src/server/handler_user.go	70.85% <57.14%> (-0.58%)	⬇️
src/server/backend/jwt.go	85% <75%> (-15%)	⬇️
src/server/route_filter.go	68.42% <0%> (+15.78%)	⬆️

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