cracked steam and restructured flake so that its readable

flake.nix

@@ -4,6 +4,10 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
 
+    sls-steam = {
+      url = "github:AceSLS/SLSsteam";
+    };
+
     elephant.url = "github:abenz1267/elephant";
     walker = {
       url = "github:abenz1267/walker";
@@ -28,35 +32,29 @@
     }@inputs:
     let
       system = "x86_64-linux";
+
       hardwareConfig = import /etc/nixos/hardware-configuration.nix;
+      common = import ./configs/common.nix;
+
+      mkSystem =
+        extraModules:
+        nixpkgs.lib.nixosSystem {
+          inherit system;
+          specialArgs = { inherit inputs; };
+          modules = [
+            common
+            hardwareConfig
+          ]
+          ++ extraModules;
+        };
     in
     {
-      nixosConfigurations.mobile02 = nixpkgs.lib.nixosSystem {
-        inherit system;
-        specialArgs = { inherit inputs; };
-
-        modules = [
-          ./configs/configuration-laptop.nix
-          ./configs/common.nix
-          hardwareConfig
-          {
-            nixpkgs.config.allowUnfree = true;
-          }
-        ];
-      };
-      nixosConfigurations.hackstation = nixpkgs.lib.nixosSystem {
-        inherit system;
-        specialArgs = { inherit inputs; };
-
-        modules = [
+      nixosConfigurations = {
+        mobile02 = mkSystem [ ./configs/configuration-laptop.nix ];
+        hackstation = mkSystem [
           ./configs/configuration-pc.nix
-          ./configs/common.nix
           ./modules/davinci/davinci.nix
           ./modules/i3/i3.nix
-          hardwareConfig
-          {
-            nixpkgs.config.allowUnfree = true;
-          }
         ];
       };
     };