feat(wordpress): add auth and new post trigger (#1160)

packages/backend/src/apps/wordpress/common/get-instance-url.ts

@@ -0,0 +1,7 @@
+import { IGlobalVariable } from '@automatisch/types';
+
+const getInstanceUrl = ($: IGlobalVariable): string => {
+  return $.auth.data.instanceUrl as string;
+};
+
+export default getInstanceUrl;