add goto previous page btn to top

data/web/templates/edit.twig

@@ -1,7 +1,8 @@
 {% extends 'base.twig' %}
 
 {% block content %}
-<div class="row mb-4">
+<a href="{{ return_to }}">&#8592; {{ lang.edit.previous }}</a>
+<div class="row my-4">
   <div class="col-md-12">
     <div class="card">
       <div class="card-header fs-5">