add comments example

Author: tj

examples/comments.css

@@ -0,0 +1,8 @@
+/* comment */
+
+body {
+  /* foo */
+  /* bar */
+  color: #eee;
+  /* baz */
+}

examples/comments.js

@@ -0,0 +1,12 @@
+
+/**
+ * Module dependencies.
+ */
+
+var parse = require('css-parse')
+  , stringify = require('..')
+  , fs = require('fs')
+  , read = fs.readFileSync
+  , css = read('examples/comments.css', 'utf8');
+
+console.log(stringify(parse(css)));