Update KirbyValetDriver.php

This makes it possible to open PHP files again, see this discussion. The solution from rasteiner works perfectly. You can also have a look @pedroborges ?

https://forum.getkirby.com/t/use-php-and-kirby-in-css-file/30724

Author: Werbschaft

cli/Valet/Drivers/Specific/KirbyValetDriver.php

@@ -48,6 +48,17 @@ public function frontControllerPath(string $sitePath, string $siteName, string $
             $indexPath = $sitePath.'/panel/index.php';
         }
 
+        // add this block
+        if (preg_match('/^\/(?!(kirby|site|content)\/).+\.php$/', $uri)) {
+            if (
+                $this->isActualFile($sitePath.$uri) || 
+                $isAboveWebroot && $this->isActualFile($sitePath."/public".$uri)
+            ) {
+                $scriptName = $uri;
+                $indexPath = $sitePath.$scriptName;
+            }
+        }
+
         $sitePathPrefix = ($isAboveWebroot) ? $sitePath.'/public' : $sitePath;
 
         $_SERVER['SERVER_NAME'] = $_SERVER['HTTP_HOST'];