Making Space Great Again (implying it ever was): Part Uno (#19085)

Adds space ruins. Balance not included.
Simple mob ghosts actually work now.
Puzzle1 ruin removed due to issues with projectiles.

code/game/objects/structures/fluff.dm

@@ -8,9 +8,12 @@
 	anchored = TRUE
 	density = FALSE
 	opacity = 0
+	var/deconstructible = 1
 
 /obj/structure/fluff/attackby(obj/item/I, mob/living/user, params)
 	if(istype(I, /obj/item/weapon/wrench))
+		if(!deconstructible)
+			return
 		user.visible_message("<span class='notice'>[user] starts disassembling [src]...</span>", "<span class='notice'>You start disassembling [src]...</span>")
 		playsound(user, 'sound/items/Ratchet.ogg', 50, 1)
 		if(!do_after(user, 50, target = src))