rel declaration correction

Signed-off-by: rafsanneloy <rafsanneloy@gmail.com>

Author: RafsanNeloy

layouts/baseof.html

@@ -23,7 +23,7 @@
     {{ printf `<link rel="%s" type="%s" href="%s" title="%s" />` .Rel .MediaType.Type .Permalink $.Site.Title | safeHTML }}
   {{ end -}}
   <link href="{{ $styles.RelPermalink }}" rel="stylesheet" />
-  <link rel="favicon" href="/favicon/favicon.ico">
+  <link rel="icon" href="/favicon/favicon.ico">
   <script async defer src="https://buttons.github.io/buttons.js"></script>
   {{ template "_internal/twitter_cards.html" . }}
   {{ template "_internal/opengraph.html" . }}