- dns.md: fix '6 A records' wording to '7 A records'
- dns.md: add grafana.leeworks.dev to status checklist and dig verification block
- operator-runbook.md: fix 'all six' to 'all seven', add registry.leeworks.dev
row to Phase 4 DNS table, add dig verification loop
Closesleeworks-agents/api-company#62