Two Sites, One Cluster: My Hetzner Proxmox VE Setup - A low-cost two-node cluster with VXLAN, ZFS replication and an external quorum vote

How I run a single quorate Proxmox VE cluster across two cheap Hetzner dedicated servers in two different datacentres, glued together with Hetzner vSwitches, a VXLAN overlay, an external QDevice for quorum, and one OPNsense firewall per node.