docs: Fix typedoc warnings for API ref

[jrodewig]

Description

• Fixes several JSDoc links so Typedoc renders them correctly.
• Adds several types and classes to the entrypoint so Typedoc can produce docs for them.

Motivation and context

DOCS-3676

Currently, running npm run doc produces several warnings. This fixes those.

This also ensures API reference docs for the driver are complete.

Note: The overview.md readme file still admits one warning, but it's a false positive. We can safely ignore it for now. I'll see if I can silence it later.

How was the change tested?

Run npm run doc locally with the changes.

Screenshots (if appropriate):

Change types

• • Bug fix (non-breaking change that fixes an issue)
• • New feature (non-breaking change that adds functionality)
• • Breaking change (backwards-incompatible fix or feature)

Checklist:

• • My code follows the code style of this project.
• • My change requires a change to Fauna documentation.
• • My change requires a change to the README, and I have updated it accordingly.

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