add syntax renderer to hastebin

hosts/freun-dev/services.nix

@@ -1,4 +1,4 @@
-{ pkgs, config, ... }:
+{ pkgs, config, inputs, ... }:
 let
   immichDataDir = "/mnt/storage/immich";
   syncthingDataDir = "/mnt/storage/syncthing";
@@ -45,6 +45,29 @@ in
     hastebin = {
       enable = true;
       subdomain = "bin";
+      renderers = with pkgs;
+        let
+          hl = rustPlatform.buildRustPackage {
+            name = "syntax-renderer";
+            src = inputs.syntax-renderer;
+            cargoHash = "sha256-+3rsXsZohapIZAQfDYCqcatj+qWmC2iD8raeECKtgzE=";
+          };
+        in
+        {
+          hl = "${hl}/bin/syntax-renderer";
+          sha = writeShellScript "sha-renderer" ''
+            echo "Content-Type: text/plain"
+            echo "---"
+            ${coreutils}/bin/sha256sum - | cut -d' ' -f1
+          '';
+          stl = writeShellScript "stl-renderer" ''
+            echo "Content-Type: model/stl"
+            echo "Content-Disposition: attachment; filename=$(basename "$1" .scad).stl"
+            echo "---"
+            ${openscad}/bin/openscad --export-format stl -o - -
+          '';
+        };
+      cleanup.enable = true;
     };
 
     readeck = {