Franz APT repository

Signed Debian/Ubuntu package channel for Franz. Installing the .deb from meetfranz.com registers this repository automatically, so apt upgrade keeps Franz current.

To add it manually:

curl -fsSL https://apt.franzinfra.com/franz.gpg | sudo tee /etc/apt/trusted.gpg.d/franz.gpg > /dev/null
echo "deb [signed-by=/etc/apt/trusted.gpg.d/franz.gpg] https://apt.franzinfra.com/ stable main" \
  | sudo tee /etc/apt/sources.list.d/franz.list
sudo apt update && sudo apt install franz

Packages are signed with the Franz Release Signing key (88DF 5D46 F4CD 69ED 6FEB 262D DF5B 971E 06FB 50A9).