Workaround Cloudflare Pages build issue

Gemfile

@@ -3,6 +3,10 @@ source "https://rubygems.org"
 gem "jekyll"
 gem "webrick"
 
+# Workaround for jekyll builds failing on Cloudflare currently:
+# https://community.cloudflare.com/t/deployment-failing-rubygems-version/446483
+gem "jekyll-sass-converter", "~> 2.0"
+
 group :jekyll_plugins do
     gem "jekyll-paginate"
     gem "jekyll-tidy"

README.md

@@ -5,3 +5,9 @@
 - [Utterances](https://github.com/utterance/utterances) for comments on blog posts
 - [Cloudflare](https://www.cloudflare.com) for DNS and hosting
 - [highlight.js](https://github.com/highlightjs/highlight.js) for syntax highlighting in code blocks
+
+## Notes
+- Deployed with Ruby 2.7, as this is the latest currently [supported by Cloudflare Pages](https://developers.cloudflare.com/pages/platform/build-configuration#language-support-and-tools).
+- Worked around Cloudflare Pages deployment issue with change to Gemfile
+  - https://community.cloudflare.com/t/deployment-failing-rubygems-version/446483
+  - https://github.com/jekyll/jekyll/pull/9225