Put this into the header:

<link rel=”apple-touch-icon” sizes=”57×57″ href=”/apple-icon-57×57.png”>
<link rel=”apple-touch-icon” sizes=”60×60″ href=”/apple-icon-60×60.png”>
<link rel=”apple-touch-icon” sizes=”72×72″ href=”/apple-icon-72×72.png”>
<link rel=”apple-touch-icon” sizes=”76×76″ href=”/apple-icon-76×76.png”>
<link rel=”apple-touch-icon” sizes=”114×114″ href=”/apple-icon-114×114.png”>
<link rel=”apple-touch-icon” sizes=”120×120″ href=”/apple-icon-120×120.png”>
<link rel=”apple-touch-icon” sizes=”144×144″ href=”/apple-icon-144×144.png”>
<link rel=”apple-touch-icon” sizes=”152×152″ href=”/apple-icon-152×152.png”>
<link rel=”apple-touch-icon” sizes=”180×180″ href=”/apple-icon-180×180.png”>
<link rel=”icon” type=”image/png” sizes=”192×192″ href=”/android-icon-192×192.png”>
<link rel=”icon” type=”image/png” sizes=”32×32″ href=”/favicon-32×32.png”>
<link rel=”icon” type=”image/png” sizes=”96×96″ href=”/favicon-96×96.png”>
<link rel=”icon” type=”image/png” sizes=”16×16″ href=”/favicon-16×16.png”>
<link rel=”manifest” href=”/manifest.json”>
<meta name=”msapplication-TileColor” content=”#ffffff”>
<meta name=”msapplication-TileImage” content=”/ms-icon-144×144.png”>
<meta name=”theme-color” content=”#ffffff”>

And add these images to root:

favicons