use GH Pages gem

Author: rajrsingh

docs/Gemfile

@@ -9,10 +9,10 @@ source "https://rubygems.org"
 # Happy Jekylling!
 # gem "jekyll", "~> 4.1.0"
 # This is the theme.
-gem "just-the-docs"
+# gem "just-the-docs"
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
-# gem "github-pages", group: :jekyll_plugins
+gem "github-pages", group: :jekyll_plugins
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.12"