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

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

@@ -0,0 +1,25 @@
+import { Activity } from "./activity.interface";
+import { Dataset, Tag } from "./dataset.interface";
+import { User } from "./user.interface";
+
+export interface Group {
+  display_name: string;
+  description: string;
+  image_display_url: string;
+  package_count: number;
+  created: string;
+  name: string;
+  is_organization: false;
+  state: "active" | "deleted" | "inactive";
+  image_url: string;
+  type: "group";
+  title: string;
+  revision_id: string;
+  num_followers: number;
+  id: string;
+  approval_status: string;
+  packages?: Array<Dataset>;
+  activity_stream?: Array<Activity>;
+  tags?: Array<Tag>;
+  users?: Array<User>;
+}