Adds molotov creation recipe via tablecrafting, requring a drink bottle and a rag

Nerfs the rag, allows it to be made with the biogenerator, adds a few to the chef/bartender's closets, and to the maint loot spawner
Adds the ability to empty out a fire extinguisher... for sabotage

code/game/objects/effects/spawners/lootdrop.dm

@@ -101,6 +101,7 @@
 				/obj/item/weapon/paper/crumpled = 1,
 				/obj/item/weapon/pen = 1,
 				/obj/item/weapon/reagent_containers/spray/pestspray = 1,
+				/obj/item/weapon/reagent_containers/glass/rag = 3,
 				/obj/item/weapon/stock_parts/cell = 3,
 				/obj/item/weapon/storage/belt/utility = 2,
 				/obj/item/weapon/storage/box = 2,

code/game/objects/items/weapons/extinguisher.dm

@@ -158,4 +158,13 @@
 					sleep(2)
 
 	else
-		return ..()
+		return ..()
+
+/obj/item/weapon/extinguisher/AltClick(mob/user)
+	EmptyExtinguisher(user)
+
+/obj/item/weapon/extinguisher/proc/EmptyExtinguisher(var/mob/user)
+	if(loc == user)
+		reagents.clear_reagents()
+		user << "<span class='info'>You quietly empty out the [src].</span>"
+	return

code/game/objects/structures/crates_lockers/closets/job_closets.dm

@@ -21,6 +21,8 @@
 	new /obj/item/clothing/head/soft/black(src)
 	new /obj/item/clothing/shoes/sneakers/black(src)
 	new /obj/item/clothing/shoes/sneakers/black(src)
+	new /obj/item/weapon/reagent_containers/glass/rag(src)
+	new /obj/item/weapon/reagent_containers/glass/rag(src)
 
 /obj/structure/closet/chefcloset
 	name = "\proper chef's closet"
@@ -45,6 +47,7 @@
 	new /obj/item/clothing/suit/toggle/chef(src)
 	new /obj/item/clothing/under/rank/chef(src)
 	new /obj/item/clothing/head/chefhat(src)
+	new /obj/item/weapon/reagent_containers/glass/rag(src)
 
 /obj/structure/closet/jcloset
 	name = "custodial closet"