Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/dashboard/api/captain/preferences.js

@@ -0,0 +1,18 @@
+/* global axios */
+import ApiClient from '../ApiClient';
+
+class CaptainPreferences extends ApiClient {
+  constructor() {
+    super('captain/preferences', { accountScoped: true });
+  }
+
+  get() {
+    return axios.get(this.url);
+  }
+
+  updatePreferences(data) {
+    return axios.put(this.url, data);
+  }
+}
+
+export default new CaptainPreferences();