Adds a master table for guest products price plans

models/staging/core/schema.yml

@@ -2035,6 +2035,14 @@ models:
                 - DEFAULT
                 - ACCOUNT
 
+      - name: id_user_host
+        data_type: character varying
+        description: |
+          Id of the user that acts as Host. 
+          This field can be null if the configuration is the 
+          default configuration. If it's set, it means this 
+          configuration is a custom configuration.
+
       - name: created_at_utc
         data_type: timestamp
         description: |