docs: Add webrick dependancy for building site locally

This mimics the GitHub Pages environment so that you can build and serve
the site locally for testing. It requires webrick these days.

Signed-off-by: Eric Curtin <ecurtin@redhat.com>

diff --git a/docs/Gemfile b/docs/Gemfile
index 1ffd2a0291f7931c033831081eba78a436695127..47109d93567462fcfd571fd3f85091cd880ff3bf 100644 (file)
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -8,6 +8,7 @@ source "https://rubygems.org"
 group :jekyll_plugins do
   gem "github-pages"
   gem "jekyll-remote-theme"
+  gem "webrick"
 end
 
 # Prefer the GitHub flavored markdown version of kramdown.