fix: export some useful configuration

[Reasno]

No description provided.

[codecov]

Codecov Report

Merging #240 (31d4e62) into master (521d316) will increase coverage by 0.08%.
The diff coverage is 94.44%.

@@            Coverage Diff             @@
##           master     #240      +/-   ##
==========================================
+ Coverage   83.17%   83.26%   +0.08%     
==========================================
  Files         104      104              
  Lines        3905     3937      +32     
==========================================
+ Hits         3248     3278      +30     
- Misses        483      484       +1     
- Partials      174      175       +1     

Impacted Files	Coverage Δ
default_config.go	79.16% <ø> (ø)
otgorm/dependency.go	90.57% <88.88%> (-0.33%)	⬇️
serve.go	93.33% <100.00%> (+0.66%)	⬆️

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