feat: add 'remember me' functionality

templates/security/login.html.twig

@@ -40,6 +40,14 @@
                                required
                                autocomplete="current-password">
                     </div>
+                    <div class="flex items-start mb-6">
+                        <label for="rememberme" class="flex h-6 items-center">
+                            <input type="checkbox" id="rememberme" name="_remember_me" class="h-4 w-4 rounded text-primary">
+                            <span class="block ml-3 leading-6">
+                                angemeldet bleiben
+                            </span>
+                        </label>
+                    </div>
                     <button type="submit" class="btn w-full">
                         Login
                     </button>