Update Gemfile

Author: Yifei-Xiong

Gemfile

@@ -9,9 +9,9 @@ source "https://rubygems.org"
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
 
-# gem "github-pages", group: :jekyll_plugins
+gem "github-pages", group: :jekyll_plugins
 
-gem "github-pages", "<=228", group: :jekyll_plugins
+# gem "github-pages", "<=228", group: :jekyll_plugins
 
 # If you want to use Jekyll native, uncomment the line below.
 # To upgrade, run `bundle update`.