* [DOCS] Add custom URL instructions
* [DOCS] Update custom URL examples
* [DOCS] Add example for custom URL
* [DOCS] Add ML category terms custom URL example
* [DOCS] Add tip for pop-up ML custom URLs
* [DOCS] Address feedback about ML custom URLs
* [DOCS] Clarify impact of interval on custom URL
Original commit: elastic/x-pack-elasticsearch@eee192226f
* [DOCS] Add ML info about script fields
* [DOCS] Add links to ML script fields page
* [DOCS] Add ML API examples to transforms.asciidoc
* [DOCS] Addressed feedback in ML script field examples
* [DOCS] Add preview to ML script fields example
* [DOCS] Expanded code snippets in ML transform examples
* [DOCS] Add output for ML scripted fields example
* [DOCS] Add output for more ML scripted field examples
* [DOCS] Add output for final ML scripted field examples
* [DOC] Add Kibana details for ML script fields
* [DOCS] Remove example from ML transforms
Original commit: elastic/x-pack-elasticsearch@51057b029f
* [DOCS] Add configuration information for population analysis
* [DOCS] Add ML population analysis examples
* [DOCS] Address feedback for population analysis
* [DOCS] More feedback on population analysis
Original commit: elastic/x-pack-elasticsearch@ffa2bfeed9
* [DOCS] Add ML categorization of messages
* [DOCS] Describe ML categorization_examples_limit property
* [DOCS] Updated ML categorization of messages
* [DOCS] Add links to ML categorization
Original commit: elastic/x-pack-elasticsearch@6403f6ce84
* [DOCS] Add ML aggregations configuration scenario
* [DOCS] Refine ML configuration page
* [DOCS] Add ML aggregation details
* [DOCS] Add links to aggregations in Configuring ML
* [DOCS] Address feedback about ML aggregations
Original commit: elastic/x-pack-elasticsearch@8474144093
Lisa Cawley