add phpdoc and license header

Author: matheo

src/TwigComponent/src/Twig/ComponentLexer.php

@@ -1,11 +1,28 @@
 <?php
 
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Symfony\UX\TwigComponent\Twig;
 
 use Twig\Lexer;
 use Twig\Source;
 use Twig\TokenStream;
 
+/**
+ * @author Mathèo Daninos <[email protected]>
+ *
+ * @internal
+ *
+ * thanks to @giorgiopogliani for the inspiration on this lexer <3
+ * @see https://github.com/giorgiopogliani/twig-components
+ */
 class ComponentLexer extends Lexer
 {
     public const ATTRIBUTES_REGEX = '(?<attributes>(?:\s+[\w\-:.@]+(=(?:\\\"[^\\\"]*\\\"|\'[^\']*\'|[^\'\\\"=<>]+))?)*\s*)';

src/TwigComponent/tests/Integration/ComponentLexerTest.php

@@ -1,10 +1,24 @@
 <?php
 
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Symfony\UX\TwigComponent\Tests\Integration;
 
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
 use Twig\Environment;
 
+/**
+ * @author Mathèo Daninos <[email protected]>
+ *
+ * @internal
+ */
 class ComponentLexerTest extends KernelTestCase
 {
     public function testComponentSyntaxOpenTags(): void