doc: Add the include_stopped_server field to the /users/name interface

docs/source/_static/rest-api.yml

@@ -209,6 +209,12 @@ paths:
           required: true
           schema:
             type: string
+        - name: include_stopped_servers
+          in: query
+          description: Include stopped servers in user model(s).
+          schema:
+            type: boolean
+          allowEmptyValue: true
       responses:
         200:
           description: The User model