Added french translations

src/Wallabag/ImportBundle/Resources/views/Pocket/index.html.twig

@@ -9,7 +9,7 @@
             <p>{% trans %}You can import your data from your Pocket account. You just have to click on the below button and authorize the application to connect to getpocket.com.{% endtrans %}</p>
             <form method="post" action="{{ path('import_pocket_auth') }}">
                 <button class="btn waves-effect waves-light" type="submit" name="action">
-                    Connect to Pocket and import data
+                    {% trans %}Connect to Pocket and import data{% endtrans %}
                 </button>
             </form>
         </div>