Added
Adds support for openEuler
Adds ping command to iPXE build
Fixes
NixOS working again, using images and iPXE configs that are generated upstream
Changes
Use non https repo for almalinux
Switch to using initrd.magic (https://github.com/ipxe/ipxe/commit/e5f02551735922eb235388bff08249a6f31ded3d)
Moves initrd= and cmdline values to single kernel parameter in Ansible