feat: add openvpn

modules/capabilities/dev-tools.nix

@@ -30,4 +30,7 @@
       programs.ripgrep.enable = true;
       programs.k9s.enable = true;
     };
+  flake.modules.nixos.openvpn = {
+    programs.openvpn3.enable = true;
+  };
 }