app/assets/images/browserconfig.xml
<?xml version="1.0" encoding="utf-8"?>
<browserconfig>
<msapplication>
<tile>
<square70x70logo src="/mstile-70x70.png"/>
<square150x150logo src="/mstile-150x150.png"/>
<square310x310logo src="/mstile-310x310.png"/>
<wide310x150logo src="/mstile-310x150.png"/>
<TileColor>#da532c</TileColor>
</tile>
</msapplication>
</browserconfig>