wipe all own chat on group

[cyberboh]

Is your feature request related to a problem? Please describe. sometimes inside grouo we dont want to our previouse msgs read by other people bcs of privacy

Describe the solution you'd like so we can delete all of our messages in the grouo like on nekogram or nekogramx

Describe alternatives you've considered we can delete all of our messages in the group

Additional context here for screenshot https://imgur.com/a/nFXxQif