Add Symfony Deprecation Contracts package

- Created CHANGELOG.md to maintain version history.
- Added README.md with usage instructions for the trigger_deprecation() function.
- Initialized composer.json for the Symfony Deprecation Contracts library, specifying dependencies and autoloading.

themes/leo_gstore/templates/customer/_partials/customer-form.tpl

@@ -26,7 +26,6 @@
   {block name='customer_form_errors'}
     {include file='_partials/form-errors.tpl' errors=$errors['']}
   {/block}
-
 <form action="{block name='customer_form_actionurl'}{$action}{/block}" id="customer-form" class="js-customer-form" method="post">
   <section  class="register-inputs-form">
     {block "form_fields"}
@@ -48,7 +47,11 @@
         </button>
       {/block}
     </footer>
+    <hr>
   {/block}
+      {block name='display_after_login_form'}
+        {hook h='displayCustomerLoginFormAfter'}
+      {/block}
 
 </form>
 {/block}