Adds some new sprites by FleetingExpertise (#2975)

<!-- Write **BELOW** The Headers and **ABOVE** The comments else it may
not be viewable. -->
<!-- You can view Contributing.MD for a detailed description of the pull
request process. -->

## About The Pull Request

![image](https://github.com/shiptest-ss13/Shiptest/assets/95449138/68b5d91a-1fc0-4bfb-a50d-6e558d8fbdd7)
Adds Fleeting's resprites for the push broom, plunger and rolling pin.
<!-- Describe The Pull Request. Please be sure every change is
documented or this can delay review and even discourage maintainers from
merging your PR! -->

## Why It's Good For The Game
Good sprites !      :emotion42:
<!-- Please add a short description of why you think these changes would
benefit the game. If you can't justify it in words, it might not be
worth adding. -->

## Changelog

🆑 FleetingExpertise
add: Added new sprites for the plunger, rolling pin and push broom by
FleetingExpertise
/🆑

<!-- Both 🆑's are required for the changelog to work! You can put
your name to the right of the first 🆑 if you want to overwrite your
GitHub username as author ingame. -->
<!-- You can use multiple of the same prefix (they're only used for the
icon ingame) and delete the unneeded ones. Despite some of the tags,
changelogs should generally represent how a player might be affected by
the changes rather than a summary of the PR's contents. -->

code/game/objects/structures/lavaland/geyser.dm

@@ -51,6 +51,8 @@
 	name = "plunger"
 	desc = "It's a plunger for plunging."
 	icon = 'icons/obj/watercloset.dmi'
+	righthand_file = 'icons/mob/inhands/equipment/tools_righthand.dmi'
+	lefthand_file = 'icons/mob/inhands/equipment/tools_lefthand.dmi'
 	icon_state = "plunger"
 
 	slot_flags = ITEM_SLOT_MASK