Added documentation about Commento in README.md

README.md

@@ -73,6 +73,9 @@ __`Hyde-hyde`__ essentially inherits most of Hyde's [options](https://github.com
   * `UtterancesIssueTerm = "pathname"` Method for Utterances to match issue's to posts (pathname, url, title, og:title)
   * `UtterancesTheme = "github-light"` Theme for Utterances (github-light, github-dark)
 
+* `Commento = true`: to use [Commento](https://commento.io/) instead of the built-in [Disqus](https://disqus.com). This option should be used exclusively with `disqusShortname = "disqus-shortname"`.
+  * `CommentoHost = "your-commento-instance"` [Self-hosted Commento](https://docs.commento.io/installation/self-hosting/) instance. This is not required if you're a [Commento.io](https://commento.io) user.
+
 * `[params.social]`: in this section, you can set many social identities such as Twitter, Facebook, Github, Bitbucket, Gitlab, Instagram, LinkedIn, StackOverflow, Medium, Xing, Keybase.
 
   ```toml