feat: config.subDir

[aa900031]

Resolve #85

A new subDir config defaulting to / and when is set, filters commits only relevant to this subpath and also operates package.json and CHANGELOG.md in {rootDir}/{subDir} for updating

[codecov]

Codecov Report

Merging #97 (4b15528) into main (ec858d1) will increase coverage by 3.29%.
The diff coverage is 95.45%.

@@            Coverage Diff             @@
##             main      #97      +/-   ##
==========================================
+ Coverage   71.55%   74.84%   +3.29%     
==========================================
  Files           7        7              
  Lines         798      811      +13     
  Branches       90       96       +6     
==========================================
+ Hits          571      607      +36     
+ Misses        227      204      -23     

Impacted Files	Coverage Δ
src/semver.ts	28.75% <0.00%> (ø)
src/config.ts	95.04% <100.00%> (+0.25%)	⬆️
src/git.ts	84.75% <100.00%> (+0.47%)	⬆️
src/github.ts	34.35% <100.00%> (+15.60%)	⬆️