Cross-domain Cookie Sync

### 🚀 Core Functions

- **Automatic Synchronization**: Monitors cookie changes in real time and automatically synchronizes them to the target domain.
- **Multi-domain support:** Supports configuring synchronization rules from multiple source domains to the target domain.
- **Smart Matching**: Supports subdomain matching and automatic handling of the www prefix.
- **Two-way synchronization:** Supports adding, modifying, and deleting cookies.
- **Import/Export**: Supports import and export with configured rules, facilitating backup and migration.
- **Internationalization Support:** Supports Simplified Chinese, Traditional Chinese, English, and Japanese.

### Configuration Instructions
### Synchronization Rule Configuration

In the extended interface, you can configure the following synchronization rules:

1. **Source Domain**: Change the source domain of the monitored cookie.
2. **Target Domain**: The target domain to which synchronization will take place.
3. **Cookie List**: Specifies the specific cookie names to be synchronized.

### Import/Export Functionality
Extend support for importing and exporting rules:

- **Export Rules**: Export all synchronization rules to a JSON file for easy backup and migration.
- **Import Rules**: Import rule configurations from a JSON file, supporting automatic deduplication and validation.
- **Data Format**: The exported JSON file contains complete rule configuration information, facilitating sharing across different environments.