Add support for giscus comments (alshedivat#1028)

_config.yml

@@ -103,7 +103,7 @@ contact_note: >
 # Analytics and search engine verification
 # -----------------------------------------------------------------------------
 
-google_analytics:  # your Goole Analytics measurement ID (format: G-XXXXXXXXXX)
+google_analytics:  # your Google Analytics measurement ID (format: G-XXXXXXXXXX)
 panelbear_analytics:  # panelbear analytics site ID (format: XXXXXXXXX)
 
 google_site_verification:  # your google-site-verification ID (Google Search Console)
@@ -126,7 +126,23 @@ related_blog_posts:
   enabled: false
   max_related: 5
 
-# Comments
+# Giscus comments (RECOMMENDED)
+# Follow instructions on https://giscus.app/ to setup for your repo to fill out
+# the information below.
+giscus:
+  repo: alshedivat/al-folio      # <your-github-user-name>/<your-github-repo-name>
+  repo_id: MDEwOlJlcG9zaXRvcnk2MDAyNDM2NQ==
+  category: Comments             # name of the category under which discussions will be created
+  category_id: DIC_kwDOA5PmLc4CTBt6
+  mapping: title                 # identify discussions by post title
+  strict: 1                      # use strict identification mode
+  reactions_enabled: 1           # enable (1) or disable (0) emoji reactions
+  input_position: bottom         # whether to display input form below (bottom) or above (top) the comments
+  theme: preferred_color_scheme  # name of the color scheme (preferred works well with al-folio light/dark mode)
+  emit_metadata: 0
+  lang: en
+
+# Disqus comments (DEPRECATED)
 disqus_shortname: demiwlw # put your disqus shortname
 # https://help.disqus.com/en/articles/1717111-what-s-a-shortname