Is this going to be added to the official repo any time soon? I'm on 18.06.1 and can't find it. Also when I add your feed to the custom feed list it fails (others work just fine):
Downloading https://raw.github.com/guidosarducci/papal-repo/master/Packages.gz Updated list of available packages in /var/opkg-lists/papal_repo Downloading https://raw.github.com/guidosarducci/papal-repo/master/Packages.sig Signature check failed. Remove wrong Signature file.