Recipes: setting up an Arch Linux workstation for UBOS development on x86_64

/docs/other/developer-workstation/arch-x86_64/

1. Recipe: Set up Arch Linux workstation on a physical x86_64 computer
2. Recipe: Set up an Arch Linux virtual workstation with VirtualBox on any x86_64 system
3. Recipe: Set up an Arch Linux virtual workstation with VMWare Workstation on any x86_64 system
4. Recipe: Set up an Arch Linux virtual workstation with UTM on an Apple x86_64 computer