Include basic Elasticsearch getting started elements in the documentation

Description

For the initial phase I'll add a new chapter about Elasticsearch to at least explain how to get started experimenting with it, but not updating other chapters which might need to refer to it in the future.

Environment

None

Status

Assignee

Sanne Grinovero

Reporter

Sanne Grinovero

Labels

None

Suitable for new contributors

None

Feedback Requested

None

Fix versions

Priority

Major
Configure