Fix Configuration header

Signed-off-by: Maurício Meneghini Fauth <mauricio@fauth.dev>

Author: MauricioFauth

README.rst

@@ -1,9 +1,6 @@
 Twig i18n Extension
 ===================
 
-Configuration
--------------
-
 The ``i18n`` extension adds `gettext`_ support to Twig. It defines one tag,
 ``trans``.
 
@@ -17,6 +14,9 @@ command line:
 
     composer require phpmyadmin/twig-i18n-extension
 
+Configuration
+-------------
+
 You need to register this extension before using the ``trans`` block::
 
     use PhpMyAdmin\Twig\Extensions\I18nExtension;