debug: output the current version file for debugging

contrib/build-docs

@@ -123,7 +123,13 @@ main() {
     done
   done
 
-  python contrib/sort-mkdocs-versions
+  echo "====> Rebuild versions"
+  if  [[ -f "tmp/docs-build/versions.json" ]]; then
+    sed "s/^/       /" "tmp/docs-build/versions.json"
+    python contrib/sort-mkdocs-versions
+  else
+    echo "      No version file exists"
+  fi
 
   echo "====> Cleanup main repo"
   rm -rf docs