add screenshot tool

modules/graphical/shared.nix

@@ -6,6 +6,9 @@ let
       pkgs.keepass-keepassrpc
     ];
   };
+  screenshot = pkgs.writeShellScriptBin "screenshot.sh" ''
+    ${pkgs.scrot}/bin/scrot -fs - | ${pkgs.xclip}/bin/xclip -selection clipboard -t image/png -i
+  '';
 in
 {
   programs.steam = {
@@ -75,6 +78,7 @@ in
     krita
     unstable.libreoffice-fresh
     mangohud
+    screenshot
   ];
 
   environment.sessionVariables = {

systems/pc/configuration.nix

@@ -48,6 +48,8 @@
 
   # Enable networking
   networking.networkmanager.enable = true;
+  boot.initrd.systemd.network.wait-online.enable = false;
+  systemd.network.wait-online.enable = false;
 
   # Set your time zone.
   time.timeZone = "Europe/Vienna";