digi legs and teshari sprites for "well-worn"/"worn"/"worn-out" shirts (#5742)

## About The Pull Request

Adds digitigrade legs and teshari sprites to the following shirts:

<img width="236" height="94" alt="Screenshot_395"
src="https://github.com/user-attachments/assets/6de2b509-d27b-46d9-8df5-1a3e2fafed71"
/>

From left to right: well-worn shirt, pro-skub shirt, anti-skub shirt,
well-worn graphic shirt, well-worn ian shirt, worn-out shirt, worn-out
graphic shirt, worn-out ian shirt, messy worn-out shirt, messy graphic
shirt, messy ian shirt, gamer shirt
## Why It's Good For The Game

Less missing sprites good!
## Proof Of Testing

Works on my machine.
<details>
<summary>Screenshots/Videos</summary>

<img width="644" height="581" alt="image"
src="https://github.com/user-attachments/assets/75430c40-cb75-4569-be28-1fc5f12de0cb"
/>

Corresponds to the following items, from top to bottom:
<img width="474" height="283" alt="Screenshot_397"
src="https://github.com/user-attachments/assets/c21ce28b-16ea-4fcf-9d48-95f6c6648bff"
/>


</details>

## Changelog
🆑
add: added digi legs and teshari sprites to
"well-worn"/"worn"/"worn-out" shirts
/🆑

modular_zubbers/code/datums/greyscale/config_types/greyscale_configs/greyscale_clothes.dm

@@ -195,3 +195,43 @@
 /datum/greyscale_config/twee_hoodie_hood/worn/teshari
 	name = "Twee Hoodie Hood (Worn, Teshari)"
 	icon_file = 'modular_zubbers/icons/mob/clothing/suits/dopplerhoodie_teshari.dmi'
+
+/datum/greyscale_config/wellworn_shirt/worn/digi
+	name = "Well-Worn Shirt (Worn, Digi)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_digi.dmi'
+
+/datum/greyscale_config/wellworn_shirt/worn/teshari
+	name = "Well-Worn Shirt (Worn, Teshari)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_teshari.dmi'
+
+/datum/greyscale_config/wellworn_shirt_skub/worn/digi
+	name = "Well-Worn Shirt (Skub)(Worn, Digi)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_digi.dmi'
+
+/datum/greyscale_config/wellworn_shirt_skub/worn/teshari
+	name = "Well-Worn Shirt (Skub)(Worn, Teshari)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_teshari.dmi'
+
+/datum/greyscale_config/wellworn_shirt_graphic/worn/digi
+	name = "Well-Worn Shirt (Graphic)(Worn, Digi)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_digi.dmi'
+
+/datum/greyscale_config/wellworn_shirt_graphic/worn/teshari
+	name = "Well-Worn Shirt (Graphic)(Worn, Teshari)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_teshari.dmi'
+
+/datum/greyscale_config/wornout_shirt_graphic/worn/digi
+	name = "Worn-Out Shirt (Graphic)(Worn, Digi)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_digi.dmi'
+
+/datum/greyscale_config/wornout_shirt_graphic/worn/teshari
+	name = "Worn-Out Shirt (Graphic)(Worn, Teshari)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_teshari.dmi'
+
+/datum/greyscale_config/messyworn_shirt_graphic/worn/digi
+	name = "Messy Shirt (Graphic (Worn, Digi)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_digi.dmi'
+
+/datum/greyscale_config/messyworn_shirt_graphic/worn/teshari
+	name = "Messy Shirt (Graphic (Worn, Teshari)"
+	icon_file = 'modular_zubbers/icons/mob/clothing/suits/costume_teshari.dmi'

modular_zubbers/code/modules/clothing/suits/misc.dm

@@ -132,3 +132,25 @@
 /obj/item/clothing/suit/space/santa
 	worn_icon_digi = 'modular_skyrat/master_files/icons/mob/clothing/suits/wizard_digi.dmi'
 	worn_icon_teshari = 'modular_zubbers/icons/mob/clothing/suits/misc_teshari.dmi'
+
+// "well-worn" shirts
+/obj/item/clothing/suit/costume/wellworn_shirt
+	greyscale_config_worn_digi = /datum/greyscale_config/wellworn_shirt/worn/digi
+	greyscale_config_worn_teshari = /datum/greyscale_config/wellworn_shirt/worn/teshari
+	supports_variations_flags = CLOTHING_DIGITIGRADE_VARIATION
+
+/obj/item/clothing/suit/costume/wellworn_shirt/skub
+	greyscale_config_worn_digi = /datum/greyscale_config/wellworn_shirt_skub/worn/digi
+	greyscale_config_worn_teshari = /datum/greyscale_config/wellworn_shirt_skub/worn/teshari
+
+/obj/item/clothing/suit/costume/wellworn_shirt/graphic
+	greyscale_config_worn_digi = /datum/greyscale_config/wellworn_shirt_graphic/worn/digi
+	greyscale_config_worn_teshari = /datum/greyscale_config/wellworn_shirt_graphic/worn/teshari
+
+/obj/item/clothing/suit/costume/wellworn_shirt/wornout/graphic
+	greyscale_config_worn_digi = /datum/greyscale_config/wornout_shirt_graphic/worn/digi
+	greyscale_config_worn_teshari = /datum/greyscale_config/wornout_shirt_graphic/worn/teshari
+
+/obj/item/clothing/suit/costume/wellworn_shirt/messy/graphic
+	greyscale_config_worn_digi = /datum/greyscale_config/messyworn_shirt_graphic/worn/digi
+	greyscale_config_worn_teshari = /datum/greyscale_config/messyworn_shirt_graphic/worn/teshari