Do a TON of organising into seperate files

nixos/common/universal.nix

@@ -0,0 +1,80 @@
+{
+  config,
+  pkgs,
+  unstable,
+  inputs,
+  nix-your-shell,
+  ...
+}:
+
+{
+
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Set your time zone.
+  time.timeZone = "Australia/Melbourne";
+
+  fonts = {
+    fontDir.enable = true;
+    enableGhostscriptFonts = true;
+    packages = with pkgs; [
+      nerdfonts
+      # berkeley-mono-typeface
+    ];
+  };
+
+  environment.systemPackages =
+    with pkgs;
+    with unstable;
+    [
+      unstable.waypipe
+
+      # === nix related ===
+      comma
+      nh
+      # === nix related ===
+
+      unstable.nix-your-shell
+
+    ];
+
+  programs.firefox.enable = true;
+
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  programs.fish = {
+    enable = true;
+    interactiveShellInit = ''
+      nix-your-shell fish | source
+    '';
+  };
+
+  programs.bash = {
+    interactiveShellInit = ''
+      if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
+      then
+        shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
+        exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
+      fi
+    '';
+  };
+
+  boot.binfmt.registrations.appimage = {
+    wrapInterpreterInShell = false;
+    interpreter = "${pkgs.appimage-run}/bin/appimage-run";
+    recognitionType = "magic";
+    offset = 0;
+    mask = ''\xff\xff\xff\xff\x00\x00\x00\x00\xff\xff\xff'';
+    magicOrExtension = ''\x7fELF....AI\x02'';
+  };
+
+}