Support running emulated processes on m1 using mirrord

[aviramha]

This will download and use x64 binary when needed.

[meowjesty]

Some suggestions.

[messense]

I'd suggest build universal2 binaries instead, that way it will work on both Intel and Apple Silicon Macs automatically and when running in emulated mode on Apple Silicon it just works™️.

[aviramha]

I'd suggest build universal2 binaries instead, that way it will work on both Intel and Apple Silicon Macs automatically and when running in emulated mode on Apple Silicon it just works™️.

That was me initial thought but couldn't get cargo to produce such binaries. Do you know how?

[messense]

@aviramha Opened #140