add uuid scalar type#148

hallettj merged 8 commits intov1hasura/ndc-mongodb:v1from

jessehallett/eng-1604-mongodb-comparisons-for-uuids-serialized-as-stringshasura/ndc-mongodb:jessehallett/eng-1604-mongodb-comparisons-for-uuids-serialized-as-stringsCopy head branch name to clipboard