[FEAT] ARM support

[RoyalOughtness]

It's supported by bluebuild already

blue-build/cli#191

[lepras]

(silverblue ARM64 rebased to silverblue-hardened-main)

with apple virtualization on, nothing comes up at boot.

without it (ig it uses qemu then), this comes:

Synchronous Exception at 0x00000001391932C7

https://docs.brew.sh/Homebrew-on-Linux#arm-unsupported

[RoyalOughtness]

(silverblue ARM64 rebased to silverblue-hardened-main)

with apple virtualization on, nothing comes up at boot.

without it (ig it uses qemu then), this comes:

Synchronous Exception at 0x00000001391932C7

arm isnt supported. why did you attempt to rebase?

[RoyalOughtness]

This ticket is awaiting blue-build/cli#340