[DOCS-20] AI/ML hub page

[kimsauce]

Purpose of this pull request

AI/ML hub page draft. Jira ticket here. Don't merge - need to meet with @banant first.

Select the type of change:

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