[Request] - /grant command

[mirkobrombin]

Is your feature request related to a problem? Please describe.
Yes. In some cases a user must be able to bypass the badword filter if granted by an admin.

Describe the solution you'd like
Create the /grant <username> command that allows the user to send his next message without triggering the bot's badword filter.

Describe alternatives you've considered
n/a

Additional context
n/a