Restrict Email Domain for WordPress v2.0.0

= 2.0.0 =
* Major Release – Complete rewrite with modular architecture
* Real-time Validation – AJAX validation as users type
* Comprehensive Logging – Activity tracking with analytics
* Email Whitelist – Override restrictions for specific emails
* Import/Export Tools – Bulk domain management and settings backup
* Dashboard Widget – Quick overview of activity and configuration
* Enhanced Integrations – Improved support for all plugins
* Advanced Options – Subdomain control, case sensitivity, validation tools
* Performance Optimized – Efficient domain matching and caching
* Better UX – Tabbed admin interface with help documentation