final commit before moving to gentoo

Nix is great, but it was hard for me to configure every part of system explicitly on everyday machine.
From now, I'm going to leave NixOS, but I will keep using Nix for further software development.
Mabye come back in PI for high level IOT Dev?

hosts/syushiki/default.nix

@@ -43,6 +43,8 @@
     binfmt = true;
   };
 
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
   # Open ports in the firewall.
   networking.firewall.allowedTCPPorts = [ 3000 3001 22 ];