Add authors taxonomy for blog posts (#435)

earnest

16.32.2020 e26616e170cb5db79b24c6e27a1f873a064429b5

 layouts/posts/single.html

@@ -21,6 +21,7 @@
              {{ i18n "reading_time" .ReadingTime }}
            </span>
          </div>
          {{ with .Page.Params.Authors }}{{ partial "taxonomy/authors.html" . }}{{ end }}
          {{ with .Page.Params.Categories }}{{ partial "taxonomy/categories.html" . }}{{ end }}
          {{ with .Page.Params.Tags }}{{ partial "taxonomy/tags.html" . }}{{ end }}
        </div>