Add sops-nix secrets integration and installer ISO configuration with docs#13

moons-14 wants to merge 3 commits into

v2moons-14/dotfiles:v2from

codex/add-nix-sops-installation-with-custom-iso-configmoons-14/dotfiles:codex/add-nix-sops-installation-with-custom-iso-configCopy head branch name to clipboard