[@portaljs/ckan][xl] - add ckan package and example using it

packages/ckan/src/interfaces/activity.interface.ts

@@ -0,0 +1,15 @@
+import { User } from "./user.interface";
+
+export interface Activity {
+  id: string;
+  timestamp: string;
+  user_id: string;
+  object_id?: string;
+  activity_type?: string;
+  user_data?: User;
+  data?: {
+    package?: {
+      title?: string;
+    };
+  };
+}