feat: add support for multiple input files

Author: mychidarko

src/Request.php

@@ -334,7 +334,7 @@ public static function cookies(?string $key = null)
 
     /**
      * Display a flash message from the previous request
-     * 
+     *
      * @param string|null $key The key to get from the flash data
      * @return array|string|null
      */
@@ -465,6 +465,22 @@ public static function upload(string $key, string $destination, array $config =
             return false;
         }
 
+        if (is_array($file['name'])) {
+            $uploadedFiles = [];
+
+            foreach ($file['name'] as $fileKey => $image) {
+                $uploadedFiles[] = \Leaf\FS\File::upload([
+                    'name' => $file['name'][$fileKey],
+                    'type' => $file['type'][$fileKey],
+                    'tmp_name' => $file['tmp_name'][$fileKey],
+                    'error' => $file['error'][$fileKey],
+                    'size' => $file['size'][$fileKey],
+                ], $destination, $config);
+            }
+
+            return $uploadedFiles;
+        }
+
         if (isset($config['extensions'])) {
             $fileExtension = pathinfo($file['name'], PATHINFO_EXTENSION);