Merge branch '5-automatic-path-configuration' into 'develop'

Resolve "Automatic path configuration"

See merge request !3

.gitlab-ci.yml

-image: ruby:2.5
+image: ruby:2.6
 
 build the website:
   stage: build
@@ -16,7 +16,7 @@ build the website:
   variables:
     JEKYLL_ENV: production  
 
-deploy the pages:
+pages:
   stage: deploy
   only:
   - master