Add webrick now that it isn't being included by default

reedloden · reedloden · commit 85eedc9f1401 · 2021-09-21T00:56:14.000-07:00
diff --git a/Gemfile b/Gemfile
@@ -2,3 +2,5 @@ source 'https://rubygems.org'
 
 gem 'github-pages'
 gem 'rake'
+
+gem "webrick", "~> 1.7"
