ceate bookingitems for domain-setup hostingassets (#95)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: https://dev.hostsharing.net/hostsharing/hs.hsadmin.ng/pulls/95
Reviewed-by: Marc Sandlus <marc.sandlus@hostsharing.net>

src/main/resources/db/changelog/6-hs-booking/630-booking-item/6200-hs-booking-item.sql

@@ -8,7 +8,8 @@ create type HsBookingItemType as enum (
     'PRIVATE_CLOUD',
     'CLOUD_SERVER',
     'MANAGED_SERVER',
-    'MANAGED_WEBSPACE'
+    'MANAGED_WEBSPACE',
+    'DOMAIN_SETUP'
     );
 
 CREATE CAST (character varying as HsBookingItemType) WITH INOUT AS IMPLICIT;