docs: update wiki for ROOMER_ env var namespace and encryptionKey - Configuration-Reference: add ROOMER_ prefix note; rename required vars, security toggles, SMTP, seed, and Docker Compose vars to ROOMER_ prefix; add ROOMER_ENCRYPTION_KEY as required - Kubernetes-Deployment: add secrets.encryptionKey to all helm install examples and values table; update BYO secret keys to ROOMER_ prefix - Production-Deployment: rename .env vars to ROOMER_ prefix; add ROOMER_ENCRYPTION_KEY to checklist; update SMTP override example - Development-Setup: add ROOMER_ENCRYPTION_KEY to .env example; note ROOMER_ prefix backward compat
Doco Update
Initial doco suite