Fixes, theming & deploy files

client/public/index.html

@@ -4,7 +4,7 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
-    <link rel="stylesheet" href="https://cdn.materialdesignicons.com/2.5.94/css/materialdesignicons.min.css">
+    <link rel="stylesheet" href="//cdn.materialdesignicons.com/5.4.55/css/materialdesignicons.min.css">
     <link rel="icon" href="<%= BASE_URL %>favicon.ico">
     <title><%= htmlWebpackPlugin.options.title %></title>
   </head>