Merge branch 'cicd' into 'main'

Add CI-CD to automatically deploy

See merge request orestis.malaspin/dojo.isc-hesge.ch!1

.gitlab-ci.yml

+image: omalaspinas/zola
+
+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
+before_script:
+  ##
+  ## Install ssh-agent if not already installed, it is required by Docker.
+  ## (change apt-get to yum if you use an RPM-based image)
+  ##
+  - "which ssh-agent || (apt install openssh-client -y)"
+  - "which rsync || (apt install rsync -y)"
+
+  ##
+  ## Run ssh-agent (inside the build environment)
+  ##
+  - eval $(ssh-agent -s)
+
+  ##
+  ## Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
+  ## We're using tr to fix line endings which makes ed25519 keys work
+  ## without extra base64 encoding.
+  ## https://gitlab.com/gitlab-examples/ssh-private-key/issues/1#note_48526556
+  ##
+  - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
+
+  ##
+  ## Create the SSH directory and give it the right permissions
+  ##
+  - mkdir -p ~/.ssh
+  - chmod 700 ~/.ssh
+
+  ##
+  ## Add host id to known_hosts
+  ##
+  - echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
+  - chmod 644 ~/.ssh/known_hosts
+
+build_and_deploy:
+  script:
+    - zola build
+    - rsync -avz public/* ur1bg_malas@ur1bg.ftp.infomaniak.com:web/dojo/