Log command attempts on channels

Not actually needed, but helps me sleep at night

ubot.py

@@ -90,6 +90,10 @@ async def edit(event):
 	if msg.startswith('.sh'):
 		if event.is_channel and not event.is_group:
 			await event.edit('Sorry, this is not allowed!')
+			rpl  = f'Someone attempted to execute a command on a channel.\n'
+			rpl += f'Message: `{msg}`\n'
+			rpl += f'Execution aborted.\n'
+			await client.send_message('me', rpl)
 			return
 
 		cmd = msg.split(' ', 1)[1]