Display Palo Alto Cortex XDR docs (#18716)

Author: Wyrine

palo_alto_cortex_xdr/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": "2.0.0",
   "app_uuid": "156afdc8-d8e9-4544-92fd-d8da87278671",
   "app_id": "palo-alto-cortex-xdr",
-  "display_on_public_website": false,
+  "display_on_public_website": true,
   "tile": {
     "overview": "README.md#Overview",
     "configuration": "README.md#Setup",