Email identity verification

[AshAman999]

Is your feature request related to a problem? Please describe.
Currently the user can create account with anyone's mail, a verification flow would be good

Describe the solution you'd like
When creating an account, a email should be sent to the user and when opened and approved then would create the account

Describe alternatives you've considered
open for further suggestions and discussions

Additional context
N/A

Are you working on this? (Yes/No)
Yes

[Pavel401]

Duplicate issue of #150

[AshAman999]

My bad, I guess due to slow network i hit the submit button twice and so