feat(boil): Add support for Nushell completions #28

Job	Run time
Run cargo-deny (advisories)	41s
Run cargo-deny (bans licenses sources)	49s
Build boil (aarch64-unknown-linux-gnu, ubuntu-24.04-arm)	1m 6s
Build boil (x86_64-unknown-linux-gnu, ubuntu-latest)	1m 24s
Build boil (aarch64-apple-darwin, macos-latest)	1m 38s
Create Draft Release	0s
	5m 38s

Provide feedback