add satisfactory-server-flake as input and add a module to enable and open firewall

flake.nix

@@ -30,6 +30,11 @@
       url = "github:nix-community/disko";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    satisfactory-server = {
+      url = "github:nekowinston/satisfactory-server-flake"
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
   };
 
   outputs = { self, nixpkgs, stablepkgs, home-manager, ... } @ inputs:
@@ -57,6 +62,7 @@
       system = "x86_64-linux";
       modules = [
         inputs.disko.nixosModules.disko
+	inputs.satisfactory-server.nixosModules.satisfactory
         ./hosts/biggerpi/configuration.nix
       ];
     };