feat(social): improve social links (#254)

* replace forkawesome and iconfont with simple icons
* add more configs for social

layouts/partials/single/footer.html

@@ -1,5 +1,6 @@
 {{- $params := .Scratch.Get "params" -}}
 {{- $modify_date := .Lastmod.Format (.Site.Params.dateformat | default "2006-01-02") -}}
+
 <div class="post-footer" id="post-footer">
     <div class="post-info">
         <div class="post-info-line">
@@ -48,7 +49,7 @@
                 <i class="fas fa-tags fa-fw"></i>&nbsp;
                 {{- range $index, $value := . -}}
                     {{- if gt $index 0 }},&nbsp;{{ end -}}
-                    {{- $tag := printf "/tags/%s" $value | $.Site.GetPage -}}
+                    {{- $tag := $value | anchorize | printf "/tags/%s" | $.Site.GetPage -}}
                     <a href="{{ $tag.RelPermalink }}">{{ $tag.Title }}</a>
                 {{- end -}}
             {{- end -}}