feat: NixOS | add disko and hashed password for user

flake.nix

@@ -6,26 +6,40 @@
     home-manager.url = "github:nix-community/home-manager/release-24.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
     hyprland.url = "github:hyprwm/Hyprland";
+
+    # Disko
+    disko.url = "github:nix-community/disko";
+    disko.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = {
     self,
     nixpkgs,
     home-manager,
+    disko,
     ...
   } @ inputs:
   let
     system = "x86_64-linux";
     host = "rihla";
     user = "shahab";
-    lib = nixpkgs.lib;
     pkgs = nixpkgs.legacyPackages.${system};
   in {
     nixosConfigurations = {
       "${host}" = nixpkgs.lib.nixosSystem {
         inherit system;
-        modules = [ ./nixos/configuration.nix ];
-        specialArgs = { inherit inputs; };
+        modules = [
+           disko.nixosModules.disko
+          ./nixos/configuration.nix
+          ./nixos/disko-config.nix
+          ./nixos/hardware-configuration.nix
+        ];
+        specialArgs = {
+          inherit inputs;
+          meta = {
+            hostname = host;
+          };
+        };
       };
     };