Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/dashboard/api/inboxMembers.js

@@ -0,0 +1,17 @@
+/* global axios */
+import ApiClient from './ApiClient';
+
+class InboxMembers extends ApiClient {
+  constructor() {
+    super('inbox_members', { accountScoped: true });
+  }
+
+  update({ inboxId, agentList }) {
+    return axios.patch(this.url, {
+      inbox_id: inboxId,
+      user_ids: agentList,
+    });
+  }
+}
+
+export default new InboxMembers();