Merge branch 'master' into 'dir-structure'

# Conflicts:
#   .gitlab-ci.yml
#   README.md

.gitlab-ci.yml

+
 stages:
   - test
   - deploy
@@ -71,16 +72,19 @@ deploy fumadocs to docs.it4i.cz:
 #  image: it4innovations/docker-fumadocscheck:latest
   image: it4innovations/docker-mkdocscheck:latest
   before_script:
-  # install packages
+    # Update Debian repositories for oldoldstable
     - sed -i 's|http://deb.debian.org/debian buster|http://deb.debian.org/debian oldoldstable|g' /etc/apt/sources.list
     - sed -i 's|http://security.debian.org/debian-security buster/updates|http://security.debian.org/debian-security oldoldstable/updates|g' /etc/apt/sources.list
     - sed -i 's|http://deb.debian.org/debian buster-updates|http://deb.debian.org/debian oldoldstable-updates|g' /etc/apt/sources.list
     - apt-get update -y
+    # Install required packages
     - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
     - 'which rsync || ( apt-get update -y && apt-get install rsync -y )'
     - 'which jq || ( apt-get update -y && apt-get install jq -y )'
+    # Start the ssh-agent and add the SSH private key
     - eval $(ssh-agent -s)
     - ssh-add <(echo "$SSH_PRIVATE_KEY")
+    # Configure SSH to skip host verification (not recommended for production)
     - mkdir -p ~/.ssh
     - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
   script: