Add Sculpin Valet driver

drivers/SculpinValetDriver.php

@@ -0,0 +1,28 @@
+<?php
+
+class SculpinValetDriver extends StaticValetDriver
+{
+    /**
+     * Determine if the driver serves the request.
+     *
+     * @param  string  $sitePath
+     * @param  string  $siteName
+     * @param  string  $uri
+     * @return void
+     */
+    public function serves($sitePath, $siteName, $uri)
+    {
+        return is_dir($sitePath.'/.sculpin');
+    }
+
+    /**
+     * Mutate the incoming URI.
+     *
+     * @param  string  $uri
+     * @return string
+     */
+    public function mutateUri($uri)
+    {
+        return rtrim('/output_dev'.$uri, '/');
+    }
+}

drivers/require.php

@@ -9,3 +9,4 @@
 require_once __DIR__.'/CraftValetDriver.php';
 require_once __DIR__.'/SymfonyValetDriver.php';
 require_once __DIR__.'/GenericPhpValetDriver.php';
+require_once __DIR__.'/SculpinValetDriver.php';