Email identity verification

**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