Fix bug with leaflet

smppir-checkin-portal/public/index.html

@@ -10,6 +10,9 @@
     <!-- Import materialize.css -->
     <link href="./materialize.min.css" rel="stylesheet">
 
+    <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/normalize/7.0.0/normalize.min.css">
+    <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.0/leaflet.css">
+
     <!--
       manifest.json provides metadata used when your web app is added to the
       homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/