ci: add markdown badge

readme.md

@@ -1,4 +1,4 @@
-## config-gen
+## config-gen [![Build Status](https://travis-ci.org/WeareJH/config-gen.svg?branch=master)](https://travis-ci.org/WeareJH/config-gen)
 
 > Generate RequireJS Optimizer configuration for Magento 2 website based on real-world usage.
 
@@ -96,4 +96,4 @@ For now though, an example should how to load `bundles/default` on every page, w
 Where the contents of `default-loader.js` is obtained from the config-gen api `/__bs/loaders.js`.
 
 The key point here though, is that during development you wont want that bundle file in place, so this file
-should be conditionally added via xml config when in production.
+should be conditionally added via xml config when in production.