[Feature] Email Verification

[MehaKaushik]

Description:
Email ids in the database need to be validated. This has to be implemented by sending a computer generated email to every email id in the database. The user validates his email id by clicking on the computer generated link that has been mailed to the user.

Mocks:
N/A

Content:
N/A

Acceptance Criteria

1. PSR2 Enforcement
2. Invalid/fake email ids should get flagged.
3. Block Comments
4. Link to the PR to be posted below