added favicons

pages/_document.jsx

@@ -22,6 +22,12 @@ export default class MyDocument extends Document {
                     <meta name='yandex-verification' content='643c7dac144b9dac' />
                     <meta name="msvalidate.01" content="E878301FE3E3F12D233A6B1156889601" />
 
+                    <link rel="icon" type="image/png" href="/static/graphics/favicon-32.png" />
+                    <link rel="apple-touch-icon" sizes="57x57" href="/static/graphics/favicon-57.png" />
+                    <link rel="apple-touch-icon" sizes="72x72" href="/static/graphics/favicon-72.png" />
+                    <link rel="apple-touch-icon" sizes="114x114" href="/static/graphics/favicon-114.png" />
+                    <link rel="apple-touch-icon" sizes="144x144" href="/static/graphics/favicon-144.png" />
+
                     {/* <link
                         rel="alternate"
                         type="application/rss+xml"