small adaptations, add zen

flake.nix

@@ -36,8 +36,8 @@
               inputs.nix-flatpak.homeManagerModules.nix-flatpak
             ];
           }
-        ];
-      };
+      ];
+    };
 
     # nixosConfigurations.raspberry-pi = nixpkgs.lib.nixosSystem {
     #   system = "aarch64-linux";
@@ -51,5 +51,15 @@
 
     ## Useful nix build tools
     # iso builder TODO
+    nixosConfigurations.bcachefs-iso = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [
+        "${nixpkgs}/nixos/modules/installer/cd-dvd/installation-cd-minimal-new-kernel-no-zfs.nix"
+        ({ lib, pkgs, ... }: {
+          boot.supportedFilesystems = [ "bcachefs" ];
+          boot.kernelPackages = lib.mkOverride 0 pkgs.linuxPackages_latest;
+        })
+      ];
+    };
   };
 }