🔒 Add formator

Closes #3

src/Entity/Channel/Image.php

@@ -10,32 +10,41 @@ use Shikiryu\SRSS\Validator\Validator;
 class Image extends HasValidator implements SRSSElement
 {
     /**
-     * @required
-     * @url
+     * @validate required
+     * @validate url
+     * @format url
      */
-    public ?string $url = null;
+    protected ?string $url = null;
     /**
-     * @required
-     * @nohtml
+     * @validate required
+     * @validate nohtml
+     * @format nohtml
      */
-    public ?string $title = null;
+    protected ?string $title = null;
     /**
-     * @required
-     * @url
+     * @validate required
+     * @validate url
+     * @format url
      */
-    public ?string $link = null;
+    protected ?string $link = null;
     /**
-     * @int
-     * @max 144
+     * @validate int
+     * @format int
+     * @validate max 144
      */
-    public int $width = 88; // Maximum value for width is 144, default value is 88.
+    protected int $width = 88; // Maximum value for width is 144, default value is 88.
     /**
-     * @int
-     * @max 400
+     * @format int
+     * @validate int
+     * @validate max 400
      */
-    public int $height = 31; //Maximum value for height is 400, default value is 31.
+    protected int $height = 31; //Maximum value for height is 400, default value is 31.
 
-    public string $description;
+    /**
+     * @var string
+     * @format html
+     */
+    protected string $description;
 
     public function isValid(): bool
     {