Mainstreet Collective favicon pack

Add to <head>:
<link rel="icon" href="/favicon.ico" sizes="any" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16.png" />
<link rel="apple-touch-icon" href="/apple-touch-icon.png" />
