chore(sdks/ts): Include more metadata in package.json

[gregfurman]

Description

Includes some more metadata for our typescript SDK's package.json.

Fixes # (issue)

Type of change

• Chore (changes which are not directly related to any business logic)

What's Changed

• Add keywords, author, & contributors to package.json

Checklist

Changes have been:

• Tested (unit, integration, or manually with steps specified)
• Linted and formatted
• Documented (where applicable)
• Added to CHANGELOG (where applicable) -- see Keep a Changelog

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🤖 AI Disclosure

• I acknowledge that an LLM was used in the creation of this Pull Request, in accordance with Hatchet's AI_POLICY.md.

• Details: [e.g. generating tests, writing docs]

[vercel]

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[mrkaye97]

one small thing, otherwise lgtm 🚀