added translations

frontend/templates/_language_switcher.html.twig

@@ -0,0 +1,10 @@
+{# Language links for every enabled locale (config/packages/translation.yaml). The current one is marked; others go through /language/<code>, which remembers the choice in a cookie and returns here. #}
+<nav class="lang-switch" aria-label="{{ 'language.label'|trans }}">
+  {% for code in enabled_locales %}
+    {% if code == app.request.locale %}
+      <span class="is-active" lang="{{ code }}" aria-current="true" title="{{ ('language.name.' ~ code)|trans }}">{{ code|upper }}</span>
+    {% else %}
+      <a href="{{ path('language_switch', {locale: code, back: app.request.requestUri}) }}" lang="{{ code }}" hreflang="{{ code }}" rel="nofollow" title="{{ ('language.name.' ~ code)|trans }}">{{ code|upper }}</a>
+    {% endif %}
+  {% endfor %}
+</nav>