ref: https://gohugo.io/content-management/comments/

There are multiple plugin/provider to use for this feature, but we gonna choose Disqus, due to it’s quite well-known.

Step 1: Register and setup an account in Disqus

This is the website: https://disqus.com/

The register process is quite simple, the only thing you need to remember is your short name it like your website id.

Step 2: Include the service to hugo.yaml

services:
  disqus:
    shortname: your-short-name-here

Step 3: Update comments.html with Disqus template

path: /themes/PaperMod/layouts/partials/comments.html

content:

{{ template "_internal/disqus.html" . }}