Revised multiple documents to align with the migration from Incus to Proxmox VE 8.4.10. Updated hypervisor, IP ranges, subnet details, and NAT configurations across all relevant files. Marked Incus sections as historical for clarity. Added AI-Stack setup guide for Proxmox LXC.
Streamlined Keycloak configurations with defaults for development and production in `.env`. Added health checks and improved environment variable documentation with comments to differentiate local and server deployments. Ensured compatibility with pre-built registry images.
