implement CSW facade (#1386)

docs/source/data-publishing/ogcapi-records.rst

@@ -20,6 +20,7 @@ parameters.
 
    `ElasticsearchCatalogue`_,✅,results/hits,✅,✅,✅,✅,❌
    `TinyDBCatalogue`_,✅,results/hits,✅,✅,✅,✅,✅
+   `CSWFacade`_,✅,results/hits,✅,✅,✅,❌,❌
 
 
 Below are specific connection examples based on supported providers.
@@ -70,6 +71,25 @@ To publish a TinyDB index, the following are required in your index:
          id_field: identifier
          time_field: datetimefield
 
+CSWFacade
+^^^^^^^^^
+
+.. note::
+   Requires Python package `OWSLib`_
+
+To publish a CSW using pygeoapi, the CSW base URL (`data`) is required.  Note that the
+CSW Record core model is supported as a baseline.
+
+.. code-block:: yaml
+
+   providers:
+       - type: record
+         name: CSWFacade
+         data: https://demo.pycsw.org/cite/csw
+         id_field: identifier
+         time_field: datetime
+         title_field: title
+
 
 Metadata search examples
 ------------------------
@@ -103,3 +123,4 @@ Metadata search examples
 
 .. _`OGC API - Records`: https://ogcapi.ogc.org/records
 .. _`OGC API - Records GeoJSON Features`: https://raw.githubusercontent.com/opengeospatial/ogcapi-records/master/core/openapi/schemas/recordGeoJSON.yaml
+.. _`OWSLib`: https://geopython.github.io/OWSLib