Add Edit Option Using Action API to Edit Submitted Articles

[Aditya0545]

Add Action api to edit the article page

[Aditya0545]

I have implemented pylint and lint for code cleaning so before push code use

cd frontend/
npm run lint

cd backend/
pylint app.py/
pylint routes/
pylint models/

[GauriGupta21]

I’ll pick this up a bit later and start working on it once I’m free.