API/resources: Add example about retrieving an application with their devices by slug

Change-type: minor

Author: thgreasi

config/dictionaries/resource.json

@@ -70,6 +70,14 @@
         "endpoint": "/v7/application",
         "filters": "?\\$filter=app_name%20eq%20'<NAME>'"
       },
+      {
+        "id": "app-slug-with-devices",
+        "summary": "Get fleet by SLUG along with its devices",
+        "description": "",
+        "method": "GET",
+        "endpoint": "/v7/application(slug='<SLUG>')",
+        "filters": "?\\$expand=owns__device"
+      },
       {
         "id": "app-with-devices",
         "summary": "Get fleet by id along with its devices",