Use the matrix_domain var for the AcceptVerificationFromUsers field

roles/matrix-bot-go-neb/defaults/main.yml

@@ -53,7 +53,7 @@ matrix_bot_go_neb_clients: {}
 #    Sync: true
 #    AutoJoinRooms: true
 #    DisplayName: "Go-NEB!"
-#    AcceptVerificationFromUsers: [":localhost:8008"]
+#    AcceptVerificationFromUsers: [":{{ matrix_domain }}"]
 #
 #  - UserID: "@another_goneb:localhost"
 #    AccessToken: "MDASDASJDIASDJASDAFGFRGER"
@@ -62,7 +62,7 @@ matrix_bot_go_neb_clients: {}
 #    Sync: false
 #    AutoJoinRooms: false
 #    DisplayName: "Go-NEB!"
-#    AcceptVerificationFromUsers: ["^@admin:localhost:8008$"]
+#    AcceptVerificationFromUsers: ["^@admin:{{ matrix_domain }}"]
 
 # The list of realms which Go-NEB is aware of.
 # Delete or modify this list as appropriate.