fix: add nocookie embled youtube url

Author: genert

src/BBCode.php

@@ -55,7 +55,7 @@ public function addParser(string $name, string $pattern, string $replace, string
 
         return $this;
     }
-    
+
     public function addHtmlParser(string $name, string $pattern, string $replace, string $content)
     {
         $this->htmlParser->addParser($name, $pattern, $replace, $content);

src/Parser/BBCodeParser.php

@@ -102,7 +102,7 @@ final class BBCodeParser extends Parser
         ],
         'youtube' => [
             'pattern' => '/\[youtube\](.*?)\[\/youtube\]/s',
-            'replace' => '<iframe width="560" height="315" src="//www.youtube.com/embed/$1" frameborder="0" allowfullscreen></iframe>',
+            'replace' => '<iframe width="560" height="315" src="//www.youtube-nocookie.com/embed/$1" frameborder="0" allowfullscreen></iframe>',
             'content' => '$1'
         ],
         'sub' => [

tests/ParserTest.php

@@ -180,7 +180,7 @@ public function testBBCodeReturnsCorrectHtml()
                 <li>Item 3</li>
             </ol>
             <code><?php echo \'Hello World\'; ?></code>
-            <iframe width="560" height="315" src="//www.youtube.com/embed/pnGJXuHDoYw" frameborder="0" allowfullscreen></iframe>
+            <iframe width="560" height="315" src="//www.youtube-nocookie.com/embed/pnGJXuHDoYw" frameborder="0" allowfullscreen></iframe>
             <ul>
                 <li>Item 1</li>
                 <li>Item 2</li>