multilang: update

Copied the changes in the monolang version to the multilang version.

multilang/mkdocs-git-multilang

@@ -1,9 +1,20 @@
 #!/bin/sh
 
+# Redirect standard error to standard output
 exec 2>&1
+
+# Activate the Python virtual environment
+source ${VIRTUAL_ENV}/bin/activate
+
+# Check if the /mkdocs/repo directory exists
+# If it does not exist, clone the repository from the specified GIT_REPO_URL
 find /mkdocs/repo || git clone $GIT_REPO_URL /mkdocs/repo
+
+# Change directory to the cloned repository and pull the latest changes
 cd /mkdocs/repo && git pull
 
+# Build mkdocs using the configuration file of each lang
+# The output will be directed the subsequent lang directory in /usr/share/nginx/html
 for lang in $WIKI_LANG
 do
     mkdocs build -f /mkdocs/repo/config/${lang}/mkdocs.yml -d /usr/share/nginx/html/${lang}