Add cw_friendly_fire convar
Shorten melee range on Axe, Pickaxe and Sword
Respect friendly fire for player vs player
Add core hit sounds
Add TeamCore.MaxHealth (def: 200f), respect friendly fire convar, play core hit sounds, and automatically heal the core 1HP every half second
Tweak item.dropped sound and add brew.activate
Add BrewItem.OnActivated to replace OnConsumed, add BrewItem.Consume and optional activation delay
Merge branch 'main' of sbox-corewars