- Introduced `DnsHelperModal` for guiding users on DNS configuration, including steps for adding A records and verifying configurations.
- Refactored domain handling by consolidating domain management into `handle-domain.tsx`, replacing the previous `add-domain.tsx`.
- Updated `ShowDomains` and related components to utilize the new domain handling structure, improving code organization and maintainability.
- Enhanced user experience by integrating domain validation and service selection features in the domain management interface.