[feat] More refactoring

config/nix/linux/default.nix

@@ -0,0 +1,28 @@
+{
+  devices,
+  inputs,
+  overlays,
+  home-manager,
+  ...
+}:
+builtins.listToAttrs (builtins.map
+  (device: {
+    name = device.user;
+    value = let
+      pkgs = import inputs.nixpkgs {
+        inherit overlays;
+        system = device.system;
+      };
+    in
+      home-manager.lib.homeManagerConfiguration {
+        inherit pkgs;
+        extraSpecialArgs = {
+          inherit inputs;
+          inherit device;
+        };
+        modules = [
+          ../common/home.nix
+        ];
+      };
+  })
+  devices)