update css and js links

templates/common/layout.twig

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="/assets/semantic-ui/semantic.min.css">
     <link rel="stylesheet" href="/assets/css/general.css">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.4.3/css/ol.css" type="text/css">
 
     <title>{% block title %}{% endblock %}</title>
 
@@ -75,6 +76,7 @@
 
     <script type="text/javascript" src="/assets/js/jquery-3.5.1.min.js"></script>
     <script type="text/javascript" src="/assets/semantic-ui/semantic.min.js"></script>
-    <script type="text/javascript" src="/assets/js/general.js"></script>
+    <script type="text/javascript" src="/assets/dist/map.js"></script>
+    <script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.4.3/build/ol.js"></script>
 </body>
 </html>
\ No newline at end of file