fix(ui): added viewport meta tag

Author: mvegter

lib/public/index.html

@@ -5,6 +5,7 @@
     <title>AliceO2 Bookkeeping 2020</title>
 
     <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta name="description" content="Control interface of Alice O2">
 
     <link rel="stylesheet" href="/css/src/bootstrap.css">