pandoc->beamer CI job

.gitlab-ci.yml

+# Image for producing the Beamer PDF
+# https://github.com/ntwrkguru/pandoc-docker
+image: ntwrkguru/pandoc-gitlab-ci
+
+PDF:
+  script:
+    - -t beamer "presentation/presentation modele.md" -o "presentation modele.pdf"
+  artifacts:
+    paths:
+      - "presentation modele.pdf"