Save tilt data to a local file

• https://github.com/iolate/rasp-ble-scanner.git

See: https://cloud.docker.com/u/andylytical/repository/docker/andylytical/tiltscanner

Assume RPi OS is up to date with git and docker installed (as per https://github.com/andylytical/brewpi-scripts/ through the Docker Setup step.)

• cd /home/pi
• git clone git@github.com:andylytical/pytilt.git
• cd pytilt
• ./lrun.sh