solo repo for nix and home-manager specific configuration. WIP

bootstrap:

1. nixos:

$ sudo nixos-rebuild switch --flake git+ssh://git@github.com/simisimis/s

2. home-manager:

$ home-manager switch --flake git+ssh://git@github.com/simisimis/s

todo:

• proper readme
• add two more hosts
• come up with more refined structure
• finish this se...