Added basic readme

README.md

@@ -1,2 +1,10 @@
 # sketch-distribute-layers
-Sketch plug-in to distribute layers evenly
+
+A Sketch.app plug-in to properly distribute layers horizontally or vertically.
+
+### Installation
+1. Download and unzip [Distribute Layers](https://github.com/wonderbit/sketch-distribute-layers/archive/master.zip)
+2. Open Sketch.app and select *Plugins > Reveal Plugins Folder...*, then copy the plugin to that folder.
+
+### Say thanks
+If you enjoy this plugin, please consider [buying me a coffee](https://www.paypal.me/wessley/5). You can also [follow  me on Twitter](http://twitter.com/wessley) or drop me a line.