Raspberry pi links

Bunch of links related to raspberry pi that I did not have much time to play with.

• https://www.raspberrypi.org/documentation/installation/
• http://raspi.tv/2016/how-to-free-up-some-space-on-your-raspbian-sd-card-remove-wolfram-libreoffice
• https://www.raspberrypi.org/blog/raspbian-stretch/
• https://www.raspberrypi.org/blog/introducing-pixel/
  https://opensource.com/article/17/12/raspberry-pi-cryptocurrency-mining - Mining cryptocurrency with Raspberry Pi and Storj