feat: Add Store link to admin header and notification activity log

- Add Store link to admin header (visible when customer SPA is enabled)
- Add storeUrl and customerSpaEnabled to WNW_CONFIG in Assets.php and StandaloneAdmin.php
- Update window.d.ts with new WNW_CONFIG properties
- Create ActivityLog.tsx component with search, filters, and pagination
- Add /notifications/logs API endpoint to NotificationsController
- Update Notifications.tsx to link to activity log page
- Add ActivityLog route to App.tsx

includes/Admin/StandaloneAdmin.php

@@ -132,7 +132,9 @@ class StandaloneAdmin {
 		currentUser: <?php echo wp_json_encode( $current_user ); ?>,
 		locale: <?php echo wp_json_encode( get_locale() ); ?>,
 		siteUrl: <?php echo wp_json_encode( home_url() ); ?>,
-		siteName: <?php echo wp_json_encode( get_bloginfo( 'name' ) ); ?>
+		siteName: <?php echo wp_json_encode( get_bloginfo( 'name' ) ); ?>,
+		storeUrl: <?php echo wp_json_encode( home_url( '/store/' ) ); ?>,
+		customerSpaEnabled: <?php echo get_option( 'woonoow_customer_spa_enabled', false ) ? 'true' : 'false'; ?>
 	};
 	
 	// Also set WNW_API for API compatibility