message: fix(index): update title
diff: <head>
  <meta charset="UTF-8">
  - <title>Ionic App</title>
  + <title>AirGap Vault</title>
  <meta name="viewport" content="viewport-fit=cover, width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
  <meta name="format-detection" content="telephone=no">
  <meta name="msapplication-tap-highlight" content="no">
  