added typst as input.

flake.nix

@@ -1,11 +1,12 @@
 {
-  description = "Good basic flake template";
+  description = "Basic flake with typst as input";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    typst-pkg.url = "github:typst/typst";
   };
 
-  outputs = { self, nixpkgs, flake-utils }:
+  outputs = { self, nixpkgs, flake-utils, typst-pkg }:
      flake-utils.lib.eachDefaultSystem (system:
        let
          pkgs = nixpkgs.legacyPackages.${system};