Adds a buff ass rat (#4662)

## About The Pull Request

Sprite is from SS14. RamZ. PR 10294.
## Why It's Good For The Game
<img width="321" height="319" alt="image"
src="https://github.com/user-attachments/assets/10ab9b11-daa6-42dc-971c-ecf5ee138dd7"
/>
<img width="157" height="97" alt="image"
src="https://github.com/user-attachments/assets/deb4cd4c-eb52-400e-833e-d50334f57535"
/>

## Proof Of Testing
<details>
<summary>Screenshots/Videos</summary>

</details>

## Changelog
🆑
add: We couldn't keep the rat king outta the Gym...
/🆑

---------

Co-authored-by: Alexis <catmc8565@gmail.com>

modular_zubbers/code/modules/ratqueen/regalrat.dm

@@ -127,6 +127,14 @@
 	icon_state_living = "classic"
 	icon_state_dead = "classic_dead"
 
+/// Rat KING (ported from PR #10294 of space-wizards/space-station-14)
+
+/datum/rat_fashion/swole
+	name = "swoleking"
+	allow_random = FALSE
+	icon_state_living = "buffking"
+	icon_state_dead = "buffking_dead"
+
 /// Rat queen (thicc rat)
 
 /datum/rat_fashion/rat_queen