Add initial script.
Better error handling
Add package.json.
Add 'scripts/query-generator/' from commit '74c0abb097060f664c3a65025d92a6566c7e082b'

git-subtree-dir: scripts/query-generator
git-subtree-mainline: 63f001ca71d3679eace2ecf5094fe756458c9039
git-subtree-split: 74c0abb097060f664c3a65025d92a6566c7e082b
Describe scripts.