add disko to flake.nix

etcnixos/flake.nix

@@ -21,6 +21,11 @@
       url = "github:ryantm/agenix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    disko = {
+      url = "github:nix-community/disko/latest";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
@@ -31,6 +36,7 @@
       nixos-hardware,
       chaotic,
       agenix,
+      disko,
       ...
     }@inputs:
     let
@@ -62,6 +68,7 @@
           ./system-${hostname}.nix
           chaotic.nixosModules.default
           agenix.nixosModules.default
+          disko.nixosModules.disko
         ];
       };
     };