Add mini plasma cutters & makes them roundstart (#15310)

* Mini cutters

* Move it to voucher

* lower cost

* that was meant to be WAY slower

code/modules/projectiles/ammunition/energy/plasma.dm

@@ -5,6 +5,12 @@
 	delay = 15
 	e_cost = 25
 
+/obj/item/ammo_casing/energy/plasma/weak
+	projectile_type = /obj/item/projectile/plasma/weak
+	select_name = "weak plasma burst"
+	fire_sound = 'sound/weapons/plasma_cutter.ogg'
+	e_cost = 65
+
 /obj/item/ammo_casing/energy/plasma/adv
 	projectile_type = /obj/item/projectile/plasma/adv
 	delay = 10

code/modules/projectiles/guns/energy/special.dm

@@ -142,6 +142,14 @@
 	var/light_intensity = 1
 	var/charge_weld = 25 //amount of charge used up to start action (multiplied by amount) and per progress_flash_divisor ticks of welding
 
+/obj/item/gun/energy/plasmacutter/mini
+	name = "mini plasma cutter"
+	desc = "A weak plasma based mining tool."
+	icon_state = "plasmacutter_mini"
+	item_state = "plasmacutter_mini"
+	ammo_type = list(/obj/item/ammo_casing/energy/plasma/weak)
+	toolspeed = 2
+
 /obj/item/gun/energy/plasmacutter/Initialize()
 	. = ..()
 	AddComponent(/datum/component/butchering, 25, 105, 0, 'sound/weapons/plasma_cutter.ogg')

code/modules/projectiles/projectile/special/plasma.dm

@@ -11,6 +11,15 @@
 	muzzle_type = /obj/effect/projectile/muzzle/plasma_cutter
 	impact_type = /obj/effect/projectile/impact/plasma_cutter
 
+/obj/item/projectile/plasma/weak
+	name = "weak plasma blast"
+	icon_state = "plasmacutter_weak"
+	damage_type = BRUTE
+	damage = 3
+	dismemberment = 5
+	impact_effect_type = /obj/effect/temp_visual/impact_effect/red_laser
+	mine_range = 0
+
 /obj/item/projectile/plasma/on_hit(atom/target)
 	. = ..()
 	if(ismineralturf(target))