Add some sample screenshots.

README.md

@@ -4,6 +4,13 @@ Easy-to-use **Raspberry Pi** image for booting directly into **full-screen Chrom
 
 ## Features
 
+![Screenshots](https://github.com/futurice/chilipie-kiosk/blob/master/screenshot.png)
+
+```
+☝️ Customizable, full screen        ☝️ Boots directly into a simple       ☝️ WiFi & other system config
+       startup graphics                   getting started -guide              is just one keypress away
+```
+
 * **Boots directly to full-screen Chrome** - with all the features of a modern browser
 * **No automatic updates** - no surprises due to Chrome (or other packages) suddenly updating
 * **Automatic crash-recovery** - accidental unpowering won't result in "Chrome did not shut down correctly :("