MAJOR update

@everyone We have a MAJOR update for you guys!

- New optional customizable crosshair system (Options -> Misc)

- Scaling for current crosshair system

- Fixed hit registration in antilead

- Default ijji shotgun spread

- Damage counter toggle command to put it in the center of screen: `/bigdamage`

- Reverted gladiator changes to vanilla (applies everywhere but Training mode for now as it caused issues with bots)

- Admin spawned NPCs fixed to allow damage from ranged weapons; allow late joiners to see admin spawned NPCs, added droptable for mobs, prevented mobs from attacking bots

- New special event items: Rusty Catalyst, Green Catalyst, Rusty Green Catalyst, Sakura, Rusty Sakura, HellsGuards

- Increased grenade damage from `65` to `80`

- Some other security updates and fun stuff

Let's Rock! :GunZ: