docs also includes the readme

Author: dsweber2

.github/workflows/document.yaml

@@ -44,6 +44,7 @@ jobs:
         run: |
           git config --local user.name "$GITHUB_ACTOR"
           git config --local user.email "[email protected]"
+          git add README.md
           git add man/\* NAMESPACE DESCRIPTION
           git commit -m "docs: document (GHA)" || echo "No changes to commit"
           git pull --rebase