- Add loadDkimRecords() method to read DKIM records from JSON files
- Integrate DKIM records into DNS server during startup
- Add initializeDkimForEmailDomains() for proactive DKIM key generation
- Ensure DKIM records are available immediately after server startup
- Update documentation with DKIM implementation status
DKIM records are now automatically loaded from .nogit/data/dns/*.dkimrecord.json
and served via DNS. Keys are generated for all configured email domains at startup.