Add cramming and fireworks damage types for future use

mods/CORE/mcl_damage/init.lua

@@ -25,6 +25,8 @@ mcl_damage = {
 		fireball = {is_projectile = true, is_fire = true},
 		thorns = {is_magic = true},
 		explosion = {is_explosion = true},
+		cramming = {bypasses_armor = true},
+		fireworks = {is_explosion = true},
 	}
 }