message: Re-Add "apple-mobile-web-app-capable"
  OAuth flow is supported since iOS 12.2
diff: <link rel="manifest" href="/manifest-webapp-6-2018.json" />
  <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#434444" />
  <meta name="theme-color" content="#404141" />
  - <!--
  - We cannot use this, because our OAuth flow redirects to another site, and Safari cannot bring us back. Thus we'll never be able to log in.
  - -->
  - <!-- <meta name="apple-mobile-web-app-capable" content="yes"> -->
  + <meta name="apple-mobile-web-app-capable" content="yes" />
  <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
  </head>
  