Improve README header

Author: szepeviktor

README.md

@@ -1,8 +1,10 @@
-> Get typed (strict mode) values from an Array / XML with basic validation.
+# php-get-typed-value
 
 ![img](https://img.shields.io/badge/PHPStan-8-blue)
 ![php](https://img.shields.io/badge/PHP-8.1-B0B3D6)
 
+Get typed (strict mode) values from an Array / XML with basic validation.
+
 ```bash
 composer require wrkflow/php-get-typed-value
 ```