Configure passthrough NVMe drives (/dev/sdb) on each worker with
XFS partition mounted at /var/mnt/longhorn. Switch worker installer
image to Talos Image Factory build with iscsi-tools and util-linux-tools
extensions required by Longhorn. Remove conflicting grubUseUKICmdline
setting.
- Rename terraform/ to tofu/
- Add marcfrederick/porkbun provider for registrar NS management
- Add dns.tf with all 14 Porkbun domains and import blocks
- Update gridmap.org BIND9 zone NS to Cloudflare
- Update CLAUDE.md to reflect new directory structure
