Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/coa/lib/index.js b/node_modules/coa/lib/index.js
new file mode 100644
index 0000000..163c2d5
--- /dev/null
+++ b/node_modules/coa/lib/index.js
@@ -0,0 +1,14 @@
+const
+    Cmd = require('./cmd'),
+    Opt = require('./opt'),
+    Arg = require('./arg'),
+    shell = require('./shell');
+
+module.exports = {
+    Cmd : Cmd.create,
+    Opt : Opt.create,
+    Arg : Arg.create,
+    classes : { Cmd, Opt, Arg },
+    shell,
+    require
+};