docs(README): automatic update
docs(README): automatic update

  Update README JavaScript
  [This list might not be relevant]
  docs(android, swift): Add warning about write operations

Write operations are still documented, but the user is warned that she should consider updating indices from the back-end, rather than the front-end.

docs(android, swift): Fix hidden sections

- Admin key-only operations are not available => hide them from the TOC.
- Multiple queries *are* available => restore them. [ci skip]

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