chore: 🤖 List groups under /groups page

addons/api/addon/adapters/group.js

@@ -0,0 +1,14 @@
+import ApplicationAdapter from './application';
+import ScopeAdapterMixin from '../mixins/scope-adapter';
+
+export default class GroupAdapter extends ApplicationAdapter.extend(
+  ScopeAdapterMixin
+) {
+  // =attributes
+
+  /**
+   * Group is scoped to org only, for now.
+   * @type {boolean}
+   */
+  includeProject = false;
+}