add switch for tagless

[Nicole00]

close #99

[codecov-commenter]

Codecov Report

Base: 55.42% // Head: 55.51% // Increases project coverage by +0.09% 🎉

Coverage data is based on head (f53fc85) compared to base (775f7e7).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #100      +/-   ##
============================================
+ Coverage     55.42%   55.51%   +0.09%     
  Complexity       81       81              
============================================
  Files            17       17              
  Lines          1411     1414       +3     
  Branches        267      267              
============================================
+ Hits            782      785       +3     
  Misses          489      489              
  Partials        140      140              

Impacted Files	Coverage Δ
...la/com/vesoft/exchange/common/config/Configs.scala	62.12% <100.00%> (+0.13%)	⬆️
.../vesoft/exchange/common/config/SchemaConfigs.scala	72.30% <100.00%> (+0.43%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.