To run the application
- Create a virtual environment
- In that environment, install requirements mentioned in requirements.txt
- Enable imap on your gmail account https://mail.google.com/mail/u/0/#settings/fwdandpop
- Get a gmail app password https://support.google.com/accounts/answer/185833
- set flask app using 6) "export FLASK_APP=app.py" on mac/linux or "set FLASK_APP=app" on windows
- run the command "flask run"
- Terminal will display localhost url on which application is running