added comments to pipeline

Author: MelvinKl

.github/workflows/cd.yaml

@@ -22,8 +22,11 @@ jobs:
         env:
           TAG: ${{ github.event.ref }}
         run: |
+          # Remove the `refs/tags` prefix of the git tag
           TAG_NO_PREFIX=$(echo "$TAG" | sed 's/^refs\/tags\///')
+          # Extract the path of the module to publish from the tag
           SERVICE_PATH=$(echo "$TAG_NO_PREFIX" | rev | cut -d'/' -f2- | rev)          
+          # Save the path to the module for use in the build/publish step to only update the module associated with this tag
           echo "SERVICE_PATH=$SERVICE_PATH" >> $GITHUB_ENV
       - name: Build & Publish to PyPi
         uses: JRubics/[email protected]