First support for md extensions; Package all needed dependencies in the repo

Source/node_modules/void-elements/index.js

@@ -0,0 +1,23 @@
+/**
+ * This file automatically generated from `pre-publish.js`.
+ * Do not manually edit.
+ */
+
+module.exports = {
+  "area": true,
+  "base": true,
+  "br": true,
+  "col": true,
+  "embed": true,
+  "hr": true,
+  "img": true,
+  "input": true,
+  "keygen": true,
+  "link": true,
+  "menuitem": true,
+  "meta": true,
+  "param": true,
+  "source": true,
+  "track": true,
+  "wbr": true
+};