To add my repo simply create /etc/apt/sources.list.d/v10chiprepo.list with the following content:
deb https://chiprepo.home.v10lator.de/packages jessie main
Then do (as root)
apt-get install apt-transport-https
wget -O - https://chiprepo.home.v10lator.de/v10chiprepo.gpg.key | apt-key add -
apt-get update