Add basic documentation

README.md

@@ -0,0 +1,37 @@
+uh-wm
+=====
+
+  Xlib Window Manager prototype.
+
+[![Version      ][badge-version-img]][badge-version-uri]
+[![Build status ][badge-build-img]][badge-build-uri]
+[![Code Climate ][badge-cclimate-img]][badge-cclimate-uri]
+
+
+Getting started
+---------------
+
+### Installation (requires ruby ~> 2.1 and rubygems)
+
+```
+$ gem install uh-wm
+```
+
+
+### Usage
+
+```
+Usage: uhwm [options]
+
+options:
+    -h, --help                       print this message
+```
+
+
+
+[badge-version-img]:  https://img.shields.io/gem/v/uh-wm.svg?style=flat-square
+[badge-version-uri]:  https://rubygems.org/gems/uh-wm
+[badge-build-img]:    https://img.shields.io/travis/tjouan/uh-wm/master.svg?style=flat-square
+[badge-build-uri]:    https://travis-ci.org/tjouan/uh-wm
+[badge-cclimate-img]: https://img.shields.io/codeclimate/github/tjouan/uh-wm.svg?style=flat-square
+[badge-cclimate-uri]: https://codeclimate.com/github/tjouan/uh-wm