First pass at a Nix flake for my laptop

Heavily inspired by these:
- https://github.com/zmre/mac-nix-simple-example
- https://github.com/dustinlyons/nixos-config

modules/darwin/default.nix

@@ -0,0 +1,61 @@
+{ pkgs, ... }: {
+  nix.extraOptions = ''
+    # Generated by https://github.com/DeterminateSystems/nix-installer, version 0.11.0.
+    extra-nix-path = nixpkgs=flake:nixpkgs
+    experimental-features = nix-command flakes auto-allocate-uids
+    build-users-group = nixbld
+    bash-prompt-prefix = (nix:$name)\040
+  '';
+
+  fonts.fontDir.enable = false; # True will uninstall other fonts, false installs, but doesn't uninstall
+  fonts.fonts = [ (pkgs.nerdfonts.override { fonts = [
+    "Hack"
+    "SourceCodePro"
+  ]; }) ];
+
+  programs.zsh.enable = true;
+
+  services.nix-daemon.enable = true;
+  system.stateVersion = 4;
+  users.users."gene.liverman".home = "/Users/gene.liverman";
+  environment = {
+    shells = with pkgs; [ bash zsh ];
+    loginShell = pkgs.zsh;
+    pathsToLink = [
+      "/Applications"
+      "/share/zsh"
+    ];
+    systemPackages = with pkgs; [
+      coreutils
+      #adr-tools
+      chart-testing
+      colordiff
+      dog
+      dos2unix
+      # dust
+      
+      subversion
+      # git-svn
+      
+      gotop
+      # helm
+      hub
+      hugo
+      
+      kopia
+      # kubernetes-cli
+      kubectx
+      mas
+      mtr
+      nmap
+      # node
+      openjdk
+      rename
+      tree
+      watch
+      wget
+      yq
+    ];
+  };
+}
+