feat: add a new shim for lunatic #284

Job	Run time
rustfmt	17m 37s
build / build (ubuntu-latest, x86_64, slight)	20m 25s
build / build (ubuntu-latest, x86_64, spin)	23m 0s
build / build (ubuntu-latest, x86_64, wws)	16m 21s
build / build (ubuntu-latest, x86_64, lunatic)	14m 11s
build / build (ubuntu-latest, aarch64, slight)	18m 24s
build / build (ubuntu-latest, aarch64, spin)	24m 33s
build / build (ubuntu-latest, aarch64, wws)	12m 47s
build / build (ubuntu-latest, aarch64, lunatic)	12m 27s
test	11m 8s
	2h 50m 53s

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