Add new file

.gitlab-ci.yml

+image: "ruby:2.5"
+
+# Cache gems in between builds
+cache:
+  paths:
+    - vendor/ruby
+
+before_script:
+  - ruby -v  # Print out ruby version for debugging
+  - bundle install -j $(nproc) --path vendor  # Install dependencies into ./vendor/ruby
+
+#rspec:
+#  stage: test
+#  script:
+#    - rspec spec
+
+build:
+  stage: build
+  script:
+    - JEKYLL_ENV=production bundle exec jekyll build
+    - mv _site site
+  artifacts:     
+    expire_in: 1 month
+    paths:       
+      - site