Crosshair Bobbing

It works fine in first person mode, but there's no bobbing in shoulder surfing mode.

The mod disables itself when not in 3rd person, see https://github.com/Krash220/CrosshairBobbingMod/blob/main/game/fabric1.16.2/src/main/java/krash220/xbob/game/api/Render.java#L28