- Changed `ExecStart` to bind the server to `127.0.0.1` and added explicit `http` scheme.
- Removed unnecessary trailing whitespace across the file for cleaner formatting.
- Introduced a NixOS module for configuring the CrateDocs MCP server.
- Added options for enabling the service, setting the port, user, and group.
- Configured a hardened systemd service with security restrictions.
