fix: change to en subdomain

templates/navbar.html

@@ -13,7 +13,7 @@
 
         <li class="nav-item">
 	{% if conf["LANGUAGE"] == "en" %}
-          <a class="nav-link" href="/en/">Potaris</a>
+          <a class="nav-link" href="/">Potaris</a>
 	{% else %}
           <a class="nav-link" href="/">Home</a>
 	{% endif %}
@@ -91,7 +91,7 @@
         </li>
 	{% elif conf["LANGUAGE"] == "de" %}
         <li>
-          <a class="nav-link flag" href="/en/"
+          <a class="nav-link flag" href="https://en.potaris.de/"
 		  style="background-image: url('https://potaris.de/picture/lang/uk-flag.svg');">
 		  <div class="hover-to-75 foce-fill">
 		  </div>