User signup and authentication
- Add DB models for user
- Add migration script
- Add sign-up UI
- Implement SSO (Google) on the front-end
- Write APIs to create/update user details
- JWT token to verify user auth (Stored as HttpOnly Cookie)
Closes: https://www.pivotaltracker.com/story/show/172690667, https://www.pivotaltracker.com/story/show/172690673
Edited by danySam