Update CommentBox component to handle image uploads with validation, preview, and progress tracking, and to manage comments with Jazz container initialization.
- Clarify instructions for creator-specific pricing and setup
- Remove outdated Stripe Price ID prompt from setup script
- Add API route definitions for `/api/creator/tiers`, `/api/creator/subscribe`, and `/api/creator/$username/access`
- Register new routes in route tree for API access
- Update documentation to reflect new endpoints and instructions