Add see also section to posts footer (#152)

Joseph Ting

11.21.2019 27e83b1e5a9d8b7bbd42d202bd5ef57adcce659b

 layouts/posts/single.html

@@ -31,6 +31,7 @@
      </div>

      <footer>
        {{ partial "posts/series" . }}
        {{ partial "posts/disqus" . }}
      </footer>
    </article>