Running Signal using distrobox on Silverblue

There is no official Signal build for Fedora. One can use an unofficial RPM or an unofficial FlatPak, but the only official build is for Debian. Distrobox should let us run Signal in a Debian container. Unfortunately, Distrobox is not included in Silverblue. It must be installed with rpm-ostree. One can use similar commands with toolbox, but it does not easily create a working Signal…