Allow users to delete account

[wojcikmat]

Description

In a current version we are missing a way to remove user account by user themself.

Describe the solution you'd like

We need simple way to allow users to remove their account and to validate it with a multitenancy feature which is still in development.

Describe alternatives you've considered

No response

Additional context

No response

Validations

• Follow our Code of Conduct.
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.