Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/duplexify/example.js b/node_modules/duplexify/example.js
new file mode 100644
index 0000000..5585c19
--- /dev/null
+++ b/node_modules/duplexify/example.js
@@ -0,0 +1,21 @@
+var duplexify = require('duplexify')
+var http = require('http')
+
+var request = function(opts) {
+  var req = http.request(opts)
+  var dup = duplexify()
+  dup.setWritable(req)
+  req.on('response', function(res) {
+    dup.setReadable(res)
+  })
+  return dup
+}
+
+var req = request({
+  method: 'GET',
+  host: 'www.google.com',
+  port: 80
+})
+
+req.end()
+req.pipe(process.stdout)