chore: Add .gitlab-ci.yml (same as pbdf-website) and publish index

.gitlab-ci.yml

+image: privacybydesign/ruby:latest
+
+cache:
+  key: $CI_COMMIT_REF_SLUG
+  paths:
+  - vendor/ruby
+
+stages:
+  - build
+
+before_script:
+  - set -euxo pipefail
+  - bundle install --path vendor
+
+site:
+  stage: build
+  artifacts:
+    paths:
+      - _site/*
+  script:
+    - bundle exec jekyll build --config _config.yml
\ No newline at end of file

index.md

@@ -110,6 +110,5 @@ page_sections:
 - template: simple-footer
   block: footer-1
   content: Hello world! ❤︎
-published: false
 
 ---