feat: added the base configuration for home testing

machines/base.nix

@@ -0,0 +1,36 @@
+{ pkgs, modulesPath, ... }:
+
+{
+  imports = [
+    (modulesPath + "/virtualisation/proxmox-lxc.nix")
+  ];
+
+  # flakes are essensial
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  system.stateVersion = "23.05";
+
+  services.openssh = {
+    enable = true;
+    permitRootLogin = "prohibit-password";
+  };
+
+  users.users.root = {
+    initialHashedPassword = "";
+
+    openssh.authorizedKeys.keys = [
+      # personal one
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINQHZQA1ovXw4DWDUD7ivh4eW0lnCsHVvSvBCrlAWN/b Hetzner NixOS Tester"
+    ];
+  };
+
+
+  environment.systemPackages = [
+    # for flakes
+    pkgs.git
+    # useful tools
+    pkgs.ncdu_2
+    pkgs.htop
+    pkgs.nano
+  ];
+}