add quemu and direnv

nixos/gui.nix

@@ -15,6 +15,7 @@
     (wine.override { wineBuild = "wineWow"; }) winetricks
     steam
     kicad-with-packages3d
+    unstable.qemu unstable.aqemu
   ];
 
 }

nixos/programs/zsh.nix

@@ -63,4 +63,8 @@
       };
       shellAliases = { tmate = "tmux detach-client -E 'tmate;tmux'"; cat = "bat -p"; };
     };
+    programs.direnv = {
+      enable = true;
+      enableZshIntegration = true;
+    };
   }