updating README format to MD

Author: weaverryan

README.md

@@ -1,27 +1,19 @@
-Webpack Encore: A Simple & Powerful Webpack API
-===============================================
+# Webpack Encore: A Simple & Powerful Webpack API
 
-Webpack Encore is a simpler way to integrate `Webpack`_ into your
+Webpack Encore is a simpler way to integrate [Webpack](https://webpack.js.org/) into your
 application. It *wraps* Webpack, giving you a clean & powerful API
 for bundling JavaScript modules, pre-processing CSS & JS and compiling
 and minifying assets. Encore gives you professional asset system
 that's a *delight* to use.
 
-Encore is inspired by `Webpacker`_ and `Mix`_, but stays in the spirit of
+Encore is inspired by [Webpacker](https://github.com/rails/webpacker) and
+[Mix](https://laravel.com/docs/5.4/mix), but stays in the spirit of
 Webpack: using its features, concepts and naming conventions for a familiar
 feel. It aims to solve the most common Webpack use cases.
 
-.. tip::
+> Encore is made by Symfony and works *beautifully* in Symfony applications.
+> But it can easily be used in any application... in any language!
 
-    Encore is made by `Symfony`_ and works *beautifully* in Symfony applications.
-    But it can easily be used in any application... in any language!
+## Documentation
 
-Documentation
--------------
-
-`Read the Documentation on symfony.com`_
-
-.. _`Webpack`: https://webpack.js.org/
-.. _`Webpacker`: https://github.com/rails/webpacker
-.. _`Mix`: https://laravel.com/docs/5.4/mix
-.. _`Read the Documentation on symfony.com`: http://symfony.com/doc/current/frontend.html
+[Read the Documentation on symfony.com](http://symfony.com/doc/current/frontend.html)