Default fallback value of "impure", the flake build script sets it to "flake", and the gitea action sets it to the tag.
Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
Fyne has various cgo dependencies, the flake provides their dependencies as well as a build script in a dev shell.
Signed-off-by: Ophestra Umiker <cat@ophivana.moe>