Feature: Website SDK (#653)

Add SDK functions

Co-authored-by: Sojan <sojan@pepalo.com>

app/javascript/widget/api/contacts.js

@@ -0,0 +1,12 @@
+import { API } from 'widget/helpers/axios';
+
+const buildUrl = endPoint => `/api/v1/${endPoint}${window.location.search}`;
+
+export default {
+  update(identifier, userObject) {
+    return API.patch(buildUrl('widget/contact'), {
+      identifier,
+      ...userObject,
+    });
+  },
+};