Restructure omni services and add Chatwoot research snapshot

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

@@ -0,0 +1,13 @@
+/* eslint no-console: 0 */
+/* global axios */
+/* eslint no-undef: "error" */
+/* eslint no-unused-expressions: ["error", { "allowShortCircuit": true }] */
+import endPoints from './endPoints';
+
+export default {
+  fetchFacebookPages(token, accountId) {
+    const urlData = endPoints('fetchFacebookPages');
+    urlData.params.omniauth_token = token;
+    return axios.post(urlData.url(accountId), urlData.params);
+  },
+};