* [DOCS] Update ML APIs for Elasticsearch Reference
* [DOCS] Add X-Pack icon for ML APIs
* [DOCS] Add role attribute to ML APIs
Original commit: elastic/x-pack-elasticsearch@997ea39759
* [DOCS] Add property table for ML Update Jobs API
* [DOCS] Updates based on feedback for ML Update Jobs API
* [DOCS] Removed detector properties from ML Update Jobs API
* [DOCS] Fixes typos
Original commit: elastic/x-pack-elasticsearch@68d1b5598c
* [DOCS] Fix for prelertcategory
* [DOCS] _preview returns a page of data
* [DOCS] Added adv options e.g. background_persist_interval"
* [DOCS] Clarify meanings of model_snapshot params
* [DOCS] Format fixes
* [DOCS] Include _all keyword
* [DOCS] Explain retain.
* [DOCS] Further explanations for model size limits
* [DOCS] Format fixes in quick ref
* [DOCS] Update for exclude_interim
* [DOCS] Update for exclude_interim
* [DOCS] Update for exclude_interim
Original commit: elastic/x-pack-elasticsearch@cdd2fcefdd
Lisa Cawley
Sophie Chang