Ported collars from VirgoStation

* Six types of regular collar and one holocollar
* Collars attach to clothing or can be worn in exosuit slot by nude people.
* Holocollar can have its tag description set.

code/modules/client/preference_setup/loadout/loadout_accessories_vr.dm

@@ -0,0 +1,27 @@
+// Collars
+
+/datum/gear/collar
+	display_name = "Collar, Silver"
+	path = /obj/item/clothing/accessory/collar/silver
+	slot = slot_tie
+	sort_category = "Accessories"
+
+/datum/gear/collar/golden
+	display_name = "Collar, Golden"
+	path = /obj/item/clothing/accessory/collar/gold
+
+/datum/gear/collar/bell
+	display_name = "Collar, Bell"
+	path = /obj/item/clothing/accessory/collar/bell
+
+/datum/gear/collar/shock
+	display_name = "Collar, Shock"
+	path = /obj/item/clothing/accessory/collar/shock
+
+/datum/gear/collar/spike
+	display_name = "Collar, Spike"
+	path = /obj/item/clothing/accessory/collar/spike
+
+/datum/gear/collar/pink
+	display_name = "Collar, Pink"
+	path = /obj/item/clothing/accessory/collar/pink