Add missing 'is_public' volume type parameter

This adds the 'is_public' parameter to the api-ref for volume type
details when listing all volume types.


Change-Id: I23032d3d02fd0e9bc1d32b0ac5a1a111c5fc2a2c

api-ref/source/v3/parameters.yaml

@@ -243,6 +243,13 @@ image-id:
   in: query
   required: false
   type: string
+is_public_volume_type_query:
+  description: |
+    Filter the volume type by public visibility.
+    See :ref:`valid boolean values <valid-boolean-values>`.
+  in: query
+  required: false
+  type: boolean
 limit:
   description: |
     Requests a page size of items. Returns a number

api-ref/source/v3/volumes-v3-types.inc

@@ -380,6 +380,7 @@ Request
 .. rest_parameters:: parameters.yaml
 
    - project_id: project_id_path
+   - is_public: is_public_volume_type_query
    - sort: sort
    - limit: limit
    - offset: offset