- Add customerInfo and billingAddress fields to invoice collection
- Make customer relationship optional and configurable via plugin config
- Update TypeScript types to reflect new invoice structure
- Allow disabling customer relationship with customerRelation: false
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Simplified and clarified README structure and content.
- Replaced `mongooseAdapter` with `sqliteAdapter` for database configuration.
- Disabled all `perfectionist` ESLint rules for consistency.
- Updated `billingPlugin` import path in dev config.
