Add brawler event

[Thorinwasher]

It would be interesting if there existed an event where the player starts attacking players and entities. I think we do need to apply a filter to the targets, as it can have long lasting consequences. Maybe only attack drunken things, or something like that?

One idea with the #104 pr + this, is that you could actually introduce deceases like rabies into your server.

[Thorinwasher]

This event might be too invasive; as Nadwey said:

As an extremely rare easter egg? sure, because it could be annoying as hell

but, it'd be cool to mess with player inputs, e.g. player tries to open a chest, but instead they hit a player standing behind them or something

I do think this could be interesting, but the concept needs to at least change. I was thinking it could be fine if the player did not deal any damage, I'm not sure. Or alternatively that both players have to consent for the brawl to start