Create Raspberry Pi Zero badge & Update README

Author: Thibault Maekelbergh

README.md

@@ -68,7 +68,7 @@ Contributions *very welcome* but first see [Contributing](#contributing)
 * [Pi-hole](https://pi-hole.net/) - A black hole for internet ads.
 * [Limelight: Who needs a Steam machine when you have a pi?](https://www.raspberrypi.org/blog/limelight-who-needs-a-steam-machine-when-you-have-a-pi/) - Blogpost about the Nvidia in-house streaming service Limelight running on a Raspberry Pi.
 * [Planning lunch with a Slackbot on resin.io](https://resin.io/blog/planning-lunch-with-a-slackbot-on-resin-io/) - Nodejs Slackbot that runs on a Raspberry Pi hosted on Resin.
-* [Raspberry Pi Zero: Programming over USB](http://blog.gbaman.info/?p=791) - A guide to boot and access a Raspberry Pi Zero over a USB cable without need of an ethernet/wifi connection, keyboard or screen.
+* [Raspberry Pi Zero: Programming over USB](http://blog.gbaman.info/?p=791) - A guide to boot and access a Raspberry Pi Zero over a USB cable without need of an ethernet/wifi connection, keyboard or screen. ![Supports Raspberry Pi Zero](/media/badges/rpi-0.png)
 * [Use a Raspberry Pi with multiple WiFi networks](https://www.mikestreety.co.uk/blog/use-a-raspberry-pi-with-multiple-wifi-networks) - Tutorial on using a Raspberry Pi with multiple networks.
 * [Raspberry Pi and why do I need one?](https://www.liquidlight.co.uk/blog/article/raspberry-pi-what-is-it-and-why-do-i-need-one/) - An intro into the Raspberry Pi and what can be done with it.