{  description = "Torlink is a torrent finder that lives in your terminal, with zero setup and nothing to configure.";   inputs = {    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";  };   outputs =    { self, nixpkgs }:     let      systems = [        "x86_64-linux"      ];      forAllSystems = nixpkgs.lib.genAttrs systems;     in    {      packages = forAllSystems (        system:        let          pkgs = nixpkgs.legacyPackages.${system};        in        {          default = pkgs.callPackage ./nix/package.nix { };        }      );      overlays.default = final: prev: {        torlink = final.callPackage ./nix/package.nix { };      };     }; }