Fix gemfile, hopefully

Gemfile

@@ -1,7 +1,11 @@
 source "https://rubygems.org"
 
 gem "webrick"
-gem "github-pages", "228", group: :jekyll_plugins
+gem "github-pages", group: :jekyll_plugins
+# If github-pages starts to fail, try to use the following line instead
+# gem "github-pages", "231", group: :jekyll_plugins
+# or painstakingly find the proper github-pages version that works with your setup (see ruby version in jekyll-deploy.yml)
+# or wait for github to fix the issue in ~5 business days
 
 gem "tzinfo-data"
 gem "wdm", "~> 0.1.0" if Gem.win_platform?