[FEATURE] Add user profile picture in settings

[MehaKaushik]

Description:
The user should have option to add a profile picture. The user can upload the profile picture in the update user details page. The profile picture must be displayed beside the username in the menu.

Acceptance Criteria

1. PSR2 enforcement
2. The user should be able to update profile picture and the picture should be displayed in the menu beside username.
3. Post a gif of the functionality here.
4. Testing, if possible.