Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/mdn-data/css/index.js b/node_modules/mdn-data/css/index.js
new file mode 100644
index 0000000..c258137
--- /dev/null
+++ b/node_modules/mdn-data/css/index.js
@@ -0,0 +1,8 @@
+module.exports = {
+  atRules:    require('./at-rules'),
+  selectors:  require('./selectors'),
+  types:      require('./types'),
+  properties: require('./properties'),
+  syntaxes:   require('./syntaxes'),
+  units:      require('./units'),
+}