feat: repo option as string

[Waleed-KH]

🔗 Linked issue

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Allow the repo option to be string, and then resolve it with getRepoConfig

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[codecov]

Codecov Report

Merging #128 (65106e0) into main (1b5fa2d) will increase coverage by 0.43%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##             main     #128      +/-   ##
==========================================
+ Coverage   68.63%   69.06%   +0.43%     
==========================================
  Files           9        9              
  Lines         880      902      +22     
  Branches       81       83       +2     
==========================================
+ Hits          604      623      +19     
- Misses        276      279       +3     

Impacted Files	Coverage Δ
src/github.ts	18.75% <10.00%> (ø)
src/config.ts	93.44% <88.46%> (-1.85%)	⬇️
src/markdown.ts	97.23% <100.00%> (+0.04%)	⬆️
src/repo.ts	95.90% <100.00%> (+0.10%)	⬆️

[pi0]

Thanks 💯