Feature: As an end-user, I should be able to see the list of agents in the widget. (#461)

Co-authored-by: Pranav Raj S <pranavrajs@gmail.com>

app/javascript/widget/api/agent.js

@@ -0,0 +1,8 @@
+import endPoints from 'widget/api/endPoints';
+import { API } from 'widget/helpers/axios';
+
+export const getAvailableAgents = async websiteToken => {
+  const urlData = endPoints.getAvailableAgents(websiteToken);
+  const result = await API.get(urlData.url, { params: urlData.params });
+  return result;
+};