Adds colourable greatcoats and big hair ribbons

Adds colourable versions of the existing greatcoat and big hair ribbon items to loadout. Greatcoat recolour by corpsedoll.

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

@@ -287,6 +287,14 @@
 	..()
 	gear_tweaks += gear_tweak_free_color_choice
 
+/datum/gear/head/bow/large
+	display_name = "hair bow, large (colorable)"
+	path = /obj/item/clothing/head/pin/bow/big
+
+/datum/gear/head/bow/large/New()
+	..()
+	gear_tweaks += gear_tweak_free_color_choice
+
 /datum/gear/head/welding/
 	display_name = "welding helmet selection (engineering/robotics)"
 	path = /obj/item/clothing/head/welding

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

@@ -18,6 +18,14 @@
 	display_name = "greatcoat"
 	path = /obj/item/clothing/suit/greatcoat
 
+/datum/gear/suit/greatcoat_white
+	display_name = "greatcoat, colorable"
+	path = /obj/item/clothing/suit/greatcoat/white
+
+/datum/gear/suit/greatcoat_white/New()
+	..()
+	gear_tweaks += gear_tweak_free_color_choice
+
 /datum/gear/suit/leather_coat
 	display_name = "leather coat"
 	path = /obj/item/clothing/suit/leathercoat

code/modules/clothing/suits/miscellaneous.dm

@@ -286,6 +286,10 @@
 	item_state_slots = list(slot_r_hand_str = "greatcoat", slot_l_hand_str = "greatcoat")
 	flags_inv = HIDEHOLSTER
 
+/obj/item/clothing/suit/greatcoat/white
+	icon_state = "greatcoat_white"
+	item_state_slots = list(slot_r_hand_str = "duster", slot_l_hand_str = "duster")
+
 /obj/item/clothing/suit/straight_jacket //A misspelling from time immemorial...
 	name = "straitjacket"
 	desc = "A suit that completely restrains the wearer."