♻️ consolidate nix configs

nix/users/default.nix

@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+  imports = [ ./walkah.nix ];
+}

nix/users/walkah.nix

@@ -0,0 +1,18 @@
+{ pkgs, dotfiles, ... }:
+
+{
+  users.users.walkah = {
+    isNormalUser = true;
+    shell = pkgs.zsh;
+    extraGroups = [ "wheel" "docker" ];
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJ0mE4MyMnfd1b2nlBJT7kpZ6Vov+ILuGNfzdp5ZBNQe walkah@walkah.net"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM8YMax7PGIrcPNIHkpuNRFgn3HJK6Wepm+ycZWO6jfR walkah@walkah-ipadpro11"
+    ];
+  };
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    users.walkah = import "${dotfiles}/home.nix";
+  };
+}