Update _config.yml

add empty `baseurl` field to serve as placeholder to be used when the template is deployed to Google Pages

_config.yml

@@ -3,6 +3,7 @@ description: A starter template for a Jeykll site using the Just the Docs theme!
 theme: just-the-docs
 
 url: https://just-the-docs.github.io
+baseurl: ''
 
 aux_links:
   Template Repository: https://github.com/just-the-docs/just-the-docs-template