Add support for zero_terms_query (#1435)
Add support for zero_terms_query (#1435)

This commit adds support for `zero_terms_query` to Match query.

See [here](https://www.elastic.co/guide/en/elasticsearch/reference/7.x/query-dsl-match-query.html#query-dsl-match-query-zero) for an example.


olivere/elastic,olivere/elastic