docs(readme): Add logo, license, badge

Author: tmcw

.github/documentation-js-logo.png

@@ -1,8 +1,18 @@
-# awesome-documentation
+# awesome-documentation  [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)
+
+<p align="center">
+  <img src="./.github/documentation-js-logo.png" width="650" />
+</p>
 
 a list of websites using [documentation](https://github.com/documentationjs/documentation) to be awesome
 
 * [node-mapnik](http://mapnik.org/documentation/node-mapnik/)
 * [Mapbox GL JS](https://www.mapbox.com/mapbox-gl-js/api/)
 * [Turf](http://turfjs.org/docs/)
 * [Simple Statistics](http://simplestatistics.org/docs/)
+
+## License
+
+[![CC0](https://licensebuttons.net/p/zero/1.0/88x31.png)](https://creativecommons.org/publicdomain/zero/1.0/ )
+
+To the extent possible under law, [Tom MacWright](http://www.macwright.org) has waived all copyright and related or neighboring rights to this work.