add url and baseUrl

Author: danadoherty639

docs/_config.yml

@@ -8,7 +8,8 @@ gfm_quirks: paragraph_end
 lsi: false
 safe: true
 incremental: false
-url: https://puppetlabs.github.io/rspec-puppet
+url: https://puppetlabs.github.io/rspec-puppet/
+baseurl: /rspec-puppet
 gist:
     noscript: false
 markdown: kramdown