[Request] - Auto delete bot's message

[BranchScope]

Is your feature request related to a problem? Please describe.
The messages from the bot remain visible.

Describe the solution you'd like
It would be great and more clean to delete after tot the bot messages (like rules, welcome, etc.)

Describe alternatives you've considered
n/a

Additional context
n/a

[mirkobrombin]

I have adapted your Issue to the correct structure, please follow the template next time.

[pietrodicaprio]

The bot already supports auto-deleting messages. Setting all messages to automagically delete may be frustrating for other users. Would be interesting to allow to set auto deletion trough the Dashboard