Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/atob/node-atob.js b/node_modules/atob/node-atob.js
new file mode 100644
index 0000000..d7305a3
--- /dev/null
+++ b/node_modules/atob/node-atob.js
@@ -0,0 +1,7 @@
+"use strict";
+
+function atob(str) {
+  return Buffer.from(str, 'base64').toString('binary');
+}
+
+module.exports = atob.atob = atob;