Add ledger initial file option, add meta viewport

templates/new.html

@@ -2,6 +2,7 @@
 <html>
     <head>
         <title>Ledger Quick Note</title>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
     </head>
     <body>
         <h1>Comfirm new Tx</h1>