Added LibreELEC (thibmaek#146)

Added LibreELEC

Author: thibmaek

README.md

@@ -56,6 +56,7 @@ The complete collection of (consumer) Raspberry Pi models consist of:
 - [Kali Linux](https://www.offensive-security.com/kali-linux-arm-images/) - Penetration Testing & Ethical Hacking Linux distro for ARM devices.
 - [Kano OS](http://developers.kano.me/downloads/) - Open-source OS for exploration, creation, and play – free for Raspberry Pi and the new Pi 3.
 - [Lakka](http://lakka.tv) - Retro-gaming on the Raspberry Pi built entirely on RetroArch.
+- [LibreELEC](https://libreelec.tv/) - Just enough OS for Kodi
 - [Manjaro](https://manjaro.org/download/) - Friendly, open-source Linux distribution for Raspberry Pi.
 - [Minibian](https://minibianpi.wordpress.com/) - Minimal Raspbian (lighter than Jessie Lite).
 - [MoodleBox](https://moodlebox.net/) - The MoodleBox provides a Moodle learning management system on Raspberry Pi. ![Supports Raspberry Pi 3](/media/badges/rpi-3.png)