enable Disqus comments

exampleSite/config.toml

@@ -3,7 +3,7 @@ languageCode = "en-us"
 title = "A minimal Hugo website"
 theme = "hugo-xmin"
 googleAnalytics = ""
-disqusShortname = ""
+disqusShortname = "yihui"
 ignoreFiles = ["\\.Rmd$", "\\.Rmarkdown$", "_files$", "_cache$"]
 preserveTaxonomyNames = true
 footnotereturnlinkcontents = "↩"

exampleSite/layouts/partials/foot_custom.html

@@ -2,3 +2,5 @@
 <script async src="//cdn.bootcss.com/mathjax/2.7.1/MathJax.js?config=TeX-MML-AM_CHTML"></script>
 
 <script async src="//yihui.name/js/center-img.js"></script>
+
+{{ template "_internal/disqus.html" . }}