Add support for one-time purchases

discord/enums.py

@@ -796,11 +796,20 @@ class SelectDefaultValueType(Enum):
 
 
 class SKUType(Enum):
+    durable = 2
+    consumable = 3
     subscription = 5
     subscription_group = 6
 
 
 class EntitlementType(Enum):
+    purchase = 1
+    premium_subscription = 2
+    developer_gift = 3
+    test_mode_purchase = 4
+    free_purchase = 5
+    user_gift = 6
+    premium_purchase = 7
     application_subscription = 8