feat(netbird): setup netbird client

modules/nixos/networking/netbird-client.nix

@@ -0,0 +1,31 @@
+{
+  flake.modules.nixos.networking =
+    {
+      config,
+      lib,
+      hostName,
+      ...
+    }:
+    with lib;
+    let
+      cfg = config.tnix.networking.netbird-client;
+    in
+    {
+      options.tnix.networking.netbird-client = {
+        enable = mkEnableOption "Enable netbird client";
+      };
+
+      config = mkIf cfg.enable {
+        services.netbird.clients = {
+          ${hostName} = {
+            port = 51820;
+            login = {
+              enable = true;
+              setupKeyFile = config.sops.secrets.netbird-key.path;
+            };
+            bin.suffix = "";
+          };
+        };
+      };
+    };
+}