Add files before commit

Author: jaapio

.github/workflows/documentation.yaml

@@ -52,6 +52,7 @@ jobs:
           cd docs
           git config --local user.email "github-actions[bot]@users.noreply.github.com"
           git config --local user.name "github-actions[bot]"
+          git add .
           git commit -a -m "Update type-resolver documentation"
 
       - name: "Push"