Disable jekyll default syntax highlighter

kiendang · kiendang · commit 4a0dac2c087b · 2023-06-22T20:51:39.000+08:00
to avoid conflict with highlight.js which is what the site is currently
using for syntax highlighting.
diff --git a/_config.yml b/_config.yml
@@ -14,6 +14,8 @@ sass:
 
 permalink: pretty
 
+highlighter: none
+
 # Serving, url
 # ---------------------------------------------------------------
 baseurl: "/typelevel.github.com"
