- Updated `dns_config` to `dns` and adjusted nested fields accordingly.
- Commented out default log level and base domain for clarity.
- Changed `ip_prefixes` to `prefixes.v4` to match expected configuration format.
- Updated `domain` to use a single string "vipienne.giugl.io"
- Changed `headscalePkg` to use the stable `pkgs.headscale` instead of `pkgs.unstablePkgs.headscale`
- Corrected `base_domain` in `dns_config` to use the updated `domain` variable