chore(core): deprecate similarSearch (#727)
chore(core): deprecate similarSearch (#727)

* chore(core): deprecate similarSearch

fixes https://github.com/algolia/algoliasearch-client-javascript/issues/610

This is documented nowhere and is beta, has an alternative with "similarQuery" search param

* fix typo

algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-js,algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-js,algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-js