- Refactored config references from `config.architect.networks` to `config.pepe.core.network.interfaces` across multiple files
- Updated `fail2ban.nix`, `firewall.nix`, `tailscale.nix`, and `utilities.nix` to align with new configuration structure
- Centralized network interface configuration under `pepe.core` for better maintainability
- Maintained existing functionality while modernizing configuration hierarchy