doc: link to scim2-sqlalchemy

The guide to serve an existing data model now points to scim2-sqlalchemy for SQLAlchemy models, and the navigation lists it with the other integrations.

Author: azmeuk

doc/conf.py

@@ -158,6 +158,11 @@
                 "url": "https://scim2-fastapi.readthedocs.io",
                 "summary": "Painless SCIM integration for FastAPI",
             },
+            {
+                "title": "scim2-sqlalchemy",
+                "url": "https://scim2-sqlalchemy.readthedocs.io",
+                "summary": "Painless SCIM integration for SQLAlchemy",
+            },
         ],
     },
 ]

doc/how-to/serve-an-existing-data-model.rst

@@ -3,7 +3,9 @@ Serve an existing data model
 
 Use this guide to serve over SCIM the data an application already keeps in its own tables. It
 assumes :doc:`write-a-storage`, which explains the rules each storage method follows. The
-examples serve the members and the books of a library.
+examples serve the members and the books of a library. When the tables are SQLAlchemy models,
+`scim2-sqlalchemy <https://scim2-sqlalchemy.readthedocs.io>`_ provides this storage: a
+declaration maps the models, and the filters, sorts and pages become SQL queries.
 
 Describe the users
 ------------------