feat(zendesk): add zendesk integration (#1385)

* feat(zendesk): add zendesk integration

* Add Zendesk connection documentation

* docs(zendesk/connection): add missing steps

* feat(zendesk): add more auth scopes for planned triggers/actions

* fix(zendesk): fix instanceUrl

---------

Co-authored-by: Ali BARIN <ali.barin53@gmail.com>

packages/backend/src/apps/zendesk/auth/is-still-verified.ts

@@ -0,0 +1,9 @@
+import { IGlobalVariable } from '@automatisch/types';
+import getCurrentUser from '../common/get-current-user';
+
+const isStillVerified = async ($: IGlobalVariable) => {
+  await getCurrentUser($);
+  return true;
+};
+
+export default isStillVerified;