added Quark host

flake.nix

@@ -7,16 +7,21 @@
   };
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-25.05";
     impermanence.url = "github:nix-community/impermanence";
     yandex-music.url = "github:cucumber-sp/yandex-music-linux";
     home-manager = {
       url = "github:nix-community/home-manager/master";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    hm-stable = {
+      url = "github:nix-community/home-manager/release-25.05";
+      inputs.nixpkgs-stable.follows = "nixpkgs";
+    };
     zapret.url = "github:n0vvvonder/zapret-flake.nix";
   };
 
-  outputs = { self, nixpkgs, impermanence, home-manager, zapret, ...}@inputs: {
+  outputs = { self, nixpkgs, impermanence, home-manager, zapret, nixpkgs-stable, hm-stable, ...}@inputs: {
     nixosConfigurations = {
       Ratchet = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
@@ -77,6 +82,22 @@
           }
         ];
       };
+      Quark = nixpkgs-stable.lib.nixosSystem {
+        system = "x86_64-linux";
+        specialArgs = { inherit inputs; };
+        modules = [
+          impermanence.nixosModules.impermanence
+          ./hosts/generic/configuration_generic.nix
+          ./hosts/generic/users.nix
+          hm-stable.nixosModules.home-manager {
+            home-manager.useUserPackages = true;
+            home-manager.users.yaroslav = {
+              imports = [
+                ./home/yaroslav/home.nix
+              ];
+            };
+          }
+        ];
     };
   };
 }