feat: activate ash_admin for Accounts and Membershiop domain

lib/accounts/accounts.ex

@@ -3,7 +3,11 @@ defmodule Mv.Accounts do
   AshAuthentication specific domain to handle Authentication for users.
   """
   use Ash.Domain,
-    extensions: [AshPhoenix]
+    extensions: [AshAdmin.Domain, AshPhoenix]
+
+  admin do
+    show? true
+  end
 
   resources do
     resource Mv.Accounts.User do

lib/membership/membership.ex

@@ -1,6 +1,10 @@
 defmodule Mv.Membership do
   use Ash.Domain,
-    extensions: [AshPhoenix]
+    extensions: [AshAdmin.Domain, AshPhoenix]
+
+  admin do
+    show? true
+  end
 
   resources do
     resource Mv.Membership.Member do