feat: add referrer and generator meta tag and canonical link (#192)

layouts/partials/head/meta.html

@@ -1,5 +1,7 @@
 <meta charset="UTF-8" />
+<meta name="referrer" content="no-referrer" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+{{ .Hugo.Generator }}
 
 {{ $keywords := default .Site.Params.Keywords .Keywords }}
 {{ $authors := default (slice .Site.Params.GeekblogAuthor) .Params.authors }}

layouts/partials/head/others.html

@@ -66,6 +66,8 @@
   media="all"
 />
 
+<link rel="canonical" href="{{ .Permalink }}" />
+
 {{- with (.Site.GetPage "home").OutputFormats.Get "atom" }}
   {{ printf `<link rel="%s" type="%s" href="%s" title="%s Atom Feed">` .Rel .MediaType.Type .Permalink $.Site.Title | safeHTML }}
 {{- end }}