Add donator loadout category and item defines

code/modules/client/preference/loadout/loadout.dm

@@ -4,6 +4,7 @@ var/list/gear_datums = list()
 /datum/loadout_category
 	var/category = ""
 	var/list/gear = list()
+	var/donor_only = FALSE
 
 /datum/loadout_category/New(cat)
 	category = cat
@@ -33,6 +34,8 @@ var/list/gear_datums = list()
 		if(!loadout_categories[use_category])
 			loadout_categories[use_category] = new /datum/loadout_category(use_category)
 		var/datum/loadout_category/LC = loadout_categories[use_category]
+		if(initial(G.donor_only))
+			LC.donor_only = TRUE
 		gear_datums[use_name] = new geartype
 		LC.gear[use_name] = gear_datums[use_name]
 
@@ -54,6 +57,7 @@ var/list/gear_datums = list()
 	var/list/gear_tweaks = list() //List of datums which will alter the item after it has been spawned.
 	var/subtype_path = /datum/gear //for skipping organizational subtypes (optional)
 	var/subtype_cost_overlap = TRUE //if subtypes can take points at the same time
+	var/donor_only = FALSE // if it's only available to donors
 
 /datum/gear/New()
 	..()
@@ -76,4 +80,4 @@ var/list/gear_datums = list()
 	var/item = new gd.path(gd.location)
 	for(var/datum/gear_tweak/gt in gear_tweaks)
 		gt.tweak_item(item, metadata["[gt]"])
-	return item
+	return item

code/modules/client/preference/loadout/loadout_donor.dm

@@ -0,0 +1,4 @@
+/datum/gear/donor
+    donor_only = TRUE
+    sort_category = "Donor"
+    subtype_path = /datum/gear/donor