Adds a funny scene when getting Sisyphus achievement (tgstation#82897)

## About The Pull Request


https://github.com/tgstation/tgstation/assets/137328283/979231c3-70cd-49dd-8d4d-2a8554adfbb3

## Why It's Good For The Game

This PR makes getting the “Ordeal of Sisyphus” extremely pointless by
teleporting carried boulder and spessman back to the Lavaland. In my
opinion, this feature is funny and suits the spirit of this achievement.

## Changelog

:cl:
add: Added a short scene when getting an Ordeal of Sisyphus achievement.
/:cl:

code/datums/components/sisyphus_awarder.dm

@@ -5,6 +5,8 @@
 /datum/component/sisyphus_awarder
 	/// What poor sap is hauling this rock?
 	var/mob/living/sisyphus
+	/// Reference to a place where it all started.
+	var/turf/bottom_of_the_hill
 
 /datum/component/sisyphus_awarder/Initialize()
 	if (!istype(parent, /obj/item/boulder))
@@ -30,6 +32,7 @@
 	RegisterSignal(the_taker, COMSIG_ENTER_AREA, PROC_REF(on_bearer_changed_area))
 	RegisterSignal(the_taker, COMSIG_QDELETING, PROC_REF(on_dropped))
 	sisyphus = the_taker
+	bottom_of_the_hill = get_turf(the_taker)
 
 /// If you ever drop this shit you fail the challenge
 /datum/component/sisyphus_awarder/proc/on_dropped()
@@ -45,5 +48,21 @@
 		return
 	if (entered_area.type != /area/centcom/central_command_areas/evacuation)
 		return // Don't istype because taking pods doesn't count
+
 	chosen_one.client?.give_award(/datum/award/achievement/misc/sisyphus, chosen_one)
+	play_reward_scene()
+
 	qdel(src)
+
+/// Sends the player back to the Lavaland and plays a funny sound
+/datum/component/sisyphus_awarder/proc/play_reward_scene()
+	if(isnull(bottom_of_the_hill))
+		return // This probably shouldn't happen, but...
+
+	podspawn(list(
+		"path" = /obj/structure/closet/supplypod/centcompod/sisyphus,
+		"target" = get_turf(sisyphus),
+		"reverse_dropoff_coords" = list(bottom_of_the_hill.x, bottom_of_the_hill.y, bottom_of_the_hill.z),
+	))
+
+	SEND_SOUND(sisyphus, 'sound/ambience/music/sisyphus/sisyphus.ogg')

code/modules/cargo/supplypod.dm

@@ -99,6 +99,23 @@
 	delays = list(POD_TRANSIT = 20, POD_FALLING = 4, POD_OPENING = 30, POD_LEAVING = 30)
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 
+/obj/structure/closet/supplypod/centcompod/sisyphus
+	delays = list(POD_TRANSIT = 0, POD_FALLING = 0, POD_OPENING = 0, POD_LEAVING = 0.2)
+	reverse_delays = list(POD_TRANSIT = 0, POD_FALLING = 1.5 SECONDS, POD_OPENING = 0.6 SECONDS, POD_LEAVING = 0)
+	custom_rev_delay = TRUE
+	effectStealth = TRUE
+	reversing = TRUE
+	reverse_option_list = list(
+		"Mobs" = TRUE,
+		"Objects" = FALSE,
+		"Anchored" = FALSE,
+		"Underfloor" = FALSE,
+		"Wallmounted" = FALSE,
+		"Floors" = FALSE,
+		"Walls" = FALSE,
+		"Mecha" = TRUE,
+	)
+
 /obj/structure/closet/supplypod/back_to_station
 	name = "blood-red supply pod"
 	desc = "An intimidating supply pod, covered in the blood-red markings"