DOCS-1143 - Add insight summary to AI article

[jpipkin1]

Purpose of this pull request

This pull request adds something about the insight summary to this article:
https://help.sumologic.com/docs/get-started/ai-machine-learning/

Select the type of change

• Minor Changes - Typos, formatting, slight revisions
• Update Content - Revisions, updating sections
• New Content - New features, sections, pages, tutorials
• Site and Tools - .clabot, version updates, maintenance, dependencies, new packages for the site (Docusaurus, Gatsby, React, etc.)

Ticket (if applicable)

DOCS-1143

[jpipkin1]

@kimsauce, do we need to add something to the AI article about Dojo AI? Or should we wait until more Dojo AI features have gone GA?

[kimsauce]

@kimsauce, do we need to add something to the AI article about Dojo AI? Or should we wait until more Dojo AI features have gone GA?

Good thinking. I will check with Margaret and Zoe (ticket here). Adding Dojo AI would pull together Insight Summary/Mobot/etc., but yeah, Mobot is still beta.