feat: add nixos-anywhare installer

install-anywhere/install.sh

@@ -0,0 +1,7 @@
+for i in $(cat hosts.lists); do IFS=","; set -- $i;
+ sed "s/@iface@/$2/; s/@address@/$1/" configuration.templ.nix > configuration.nix
+ nix run github:nix-community/nixos-anywhere -- --flake .#generic \
+  --generate-hardware-config nixos-generate-config ./hardware-configuration.nix \
+  --target-host root@$1
+ rm configuration.nix
+done