Update readme and version to 1.0.5 with new features

- Bumped the stable tag to 1.0.5 in the readme.
- Added a new REST API endpoint for pushing package status updates to WooCommerce.
- Enhanced order status mappings for better tracking and user experience.
- Implemented duplicate event handling based on event ID and tracking status.
- Updated connection logic to store per-store inbound secrets for authentication.
