Add typst packaging example

spotlight_courses/HS24_NixOS/main.typ

@@ -345,7 +345,49 @@ in
 
   $==>$ gigantic collection of nix code
 
-== `nixpkgs` - Exampe of package
+== `nixpkgs/pkgs/by-name/ty/typst/package.nix`
+
+#columns(2,
+[#text(size: 12pt,
+```nix
+rustPlatform.buildRustPackage rec {
+  pname = "typst";
+  version = "0.12.0";
+  src = fetchFromGitHub {
+    owner = "typst";
+    repo = "typst";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-OfTMJ7ylVOJjL295W3Flj2upTiUQXmfkyDFSE1v8+a4=";
+  };
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "typst-dev-assets-0.12.0" = "sha256-YLxLuhpAUzktjyprZAhZ4GjcXEDUDdLtSzc5onzLuto=";
+    };
+  };
+  nativeBuildInputs = [
+    installShellFiles
+    pkg-config
+  ];
+  /* omitted */
+  meta = {
+    changelog = "https://github.com/typst/typst/releases/tag/${src.rev}";
+    description = "New markup-based typesetting system that is powerful and easy to learn";
+    homepage = "https://github.com/typst/typst";
+    license = lib.licenses.asl20;
+    mainProgram = "typst";
+    maintainers = with lib.maintainers; [
+      drupol
+      figsoda
+      kanashimia
+    ];
+  };
+}
+
+```)] 
+)
+
+
 
 
 == nixpkgs - `cache.nixos.org`