chore: fix types in package.json

[treardon17]

Type	Description	Icon	Changelog
chore	Internal stuff (feat/fix/debt/etc...)	👷

---

🛠️ Changes:

• specifying the index.d.ts file in the types export fixes some issues when using moduleResolution: bundler

📢 Additional Info:

📚 Bookkeeping:

Testing (if applicable):

• Ran/wrote unit tests for this

Checklist

• Assigned PR to myself
• Added at least 1 person on the team as reviewer
• Release Notes: PRs types that have the 🗒️ next to them also require release notes to be added to the CHANGELOG.md