Gives the mime two new spells: Invisible Chair and Invisible Box. [READY]

code/game/objects/items/storage/boxes.dm

@@ -74,8 +74,28 @@
 		return 0
 	return ..()
 
+//Mime spell boxes
+
+/obj/item/storage/box/mime
+	name = "invisible box"
+	desc = "Unfortunately not large enough to trap the mime."
+	foldable = null
+	icon_state = "box"
+	item_state = null
+	alpha = 0
+
+/obj/item/storage/box/mime/attack_hand(mob/user)
+	..()
+	if(user.mind.miming)
+		alpha = 255
+
+/obj/item/storage/box/mime/Moved(oldLoc, dir)
+	if (iscarbon(oldLoc))
+		alpha = 0
+	..()
 
 //Disk boxes
+
 /obj/item/storage/box/disks
 	name = "diskette box"
 	illustration = "disk_kit"