[Internal]: Reference new Serverless console quickstarts from docs

[lcawl]

Description

Quickstarts derived from documentation have been integrated in the Elasticsearch Serverless home page as Dev Console scripts per elastic/kibana#230481

The quickstarts should make mention of this and note/address any differences (e.g. smaller data sets).

There was also some feedback that the example in https://www.elastic.co/docs/reference/query-languages/esql/esql-search-tutorial#use-query-string-for-complex-patterns might need clarification:

Resources

This feature was implemented in elastic/kibana#230481

Which documentation set does this change impact?

Elastic Cloud Serverless only

Feature differences

N/A

What release is this request related to?

N/A

Serverless release

The week of 1 Sep 2025

Collaboration model

The documentation team

Point of contact.

Main contact: TBD

Stakeholders: