Add missing redirect for policies modal empty state (#23030)

Follow-up from #12292

Author: rachaelshaw

website/config/routes.js

@@ -583,6 +583,7 @@ module.exports.routes = {
   'GET /feature-request': 'https://github.com/fleetdm/fleet/issues/new?assignees=&labels=~feature+fest%2C%3Aproduct&projects=&template=feature-request.md&title=',
   'GET /learn-more-about/policy-automation-run-script': '/guides/policy-automation-run-script',
   'GET /learn-more-about/installing-fleetctl': '/guides/fleetctl#installing-fleetctl',
+  'GET /contribute-to/policies': 'https://github.com/fleetdm/fleet/edit/main/docs/01-Using-Fleet/standard-query-library/standard-query-library.yml',
 
   // Sitemap
   // =============================================================================================================