Add sculpin shell

modules/sculpin.nix

@@ -0,0 +1,27 @@
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      devShells.sculpin = pkgs.mkShell {
+        packages = with pkgs; [
+          (php.buildComposerProject2 {
+            pname = "sculpin";
+            version = "3.3.0-dev";
+
+            src = fetchFromGitHub {
+              owner = "sculpin";
+              repo = "sculpin";
+              rev = "03af6498c32663e3d307ebfe346bb8d48feddec5";
+              hash = "sha256-K3wyXRiOIlkfy8Kx8pvIzne+N2XNTxZYyDlunfpQsL8=";
+            };
+
+            vendorHash = "sha256-b5+Jj8YUy5QzZ/VG0YN58vkknFLYwn97pfrvUGmA+Dc=";
+          })
+        ];
+
+        shellHook = ''
+          sculpin --version
+        '';
+      };
+    };
+}