Add frontend features with search, shortcodes, widgets, and blocks (v0.6.0)

- Room search with availability, capacity, room type, amenity, price range, and building filters
- AJAX-powered search with pagination and load more
- Shortcodes: [bnb_buildings], [bnb_rooms], [bnb_room_search], [bnb_building], [bnb_room]
- Widgets: Similar Rooms, Building Rooms, Availability Calendar
- Gutenberg blocks: Building, Room, Room Search, Buildings List, Rooms List
- Frontend CSS with responsive design and CSS custom properties
- Frontend JavaScript with SearchForm, CalendarWidget, AvailabilityForm, PriceCalculator

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/Plugin.php

@@ -11,14 +11,21 @@ namespace Magdev\WpBnb;
 
 use Magdev\WpBnb\Admin\Calendar as CalendarAdmin;
 use Magdev\WpBnb\Admin\Seasons as SeasonsAdmin;
+use Magdev\WpBnb\Blocks\BlockRegistrar;
 use Magdev\WpBnb\Booking\Availability;
 use Magdev\WpBnb\Booking\EmailNotifier;
+use Magdev\WpBnb\Frontend\Search;
+use Magdev\WpBnb\Frontend\Shortcodes;
+use Magdev\WpBnb\Frontend\Widgets\AvailabilityCalendar;
+use Magdev\WpBnb\Frontend\Widgets\BuildingRooms;
+use Magdev\WpBnb\Frontend\Widgets\SimilarRooms;
 use Magdev\WpBnb\License\Manager as LicenseManager;
 use Magdev\WpBnb\PostTypes\Booking;
 use Magdev\WpBnb\PostTypes\Building;
 use Magdev\WpBnb\PostTypes\Guest;
 use Magdev\WpBnb\PostTypes\Room;
 use Magdev\WpBnb\PostTypes\Service;
+use Magdev\WpBnb\Pricing\Calculator;
 use Magdev\WpBnb\Privacy\Manager as PrivacyManager;
 use Magdev\WpBnb\Pricing\Season;
 use Magdev\WpBnb\Taxonomies\Amenity;
@@ -165,7 +172,28 @@ final class Plugin {
 	 * @return void
 	 */
 	private function init_frontend(): void {
-		// Frontend shortcodes, blocks, and widgets will be added here.
+		// Initialize search (registers AJAX handlers).
+		Search::init();
+
+		// Initialize shortcodes.
+		Shortcodes::init();
+
+		// Initialize Gutenberg blocks.
+		BlockRegistrar::init();
+
+		// Register widgets.
+		add_action( 'widgets_init', array( $this, 'register_widgets' ) );
+	}
+
+	/**
+	 * Register frontend widgets.
+	 *
+	 * @return void
+	 */
+	public function register_widgets(): void {
+		register_widget( SimilarRooms::class );
+		register_widget( BuildingRooms::class );
+		register_widget( AvailabilityCalendar::class );
 	}
 
 	/**
@@ -282,6 +310,35 @@ final class Plugin {
 			WP_BNB_VERSION,
 			true
 		);
+
+		wp_localize_script(
+			'wp-bnb-frontend',
+			'wpBnbFrontend',
+			array(
+				'ajaxUrl' => admin_url( 'admin-ajax.php' ),
+				'nonce'   => wp_create_nonce( 'wp_bnb_frontend_nonce' ),
+				'i18n'    => array(
+					'searching'        => __( 'Searching...', 'wp-bnb' ),
+					'noResults'        => __( 'No rooms found matching your criteria.', 'wp-bnb' ),
+					'resultsFound'     => __( '%d rooms found', 'wp-bnb' ),
+					'loadMore'         => __( 'Load More', 'wp-bnb' ),
+					'viewDetails'      => __( 'View Details', 'wp-bnb' ),
+					'perNight'         => __( 'night', 'wp-bnb' ),
+					'guests'           => __( 'guests', 'wp-bnb' ),
+					'invalidDateRange' => __( 'Check-out must be after check-in', 'wp-bnb' ),
+					'selectDates'      => __( 'Please select check-in and check-out dates.', 'wp-bnb' ),
+					'available'        => __( 'Room is available!', 'wp-bnb' ),
+					'notAvailable'     => __( 'Sorry, the room is not available for these dates.', 'wp-bnb' ),
+					'totalPrice'       => __( 'Total', 'wp-bnb' ),
+					'bookNow'          => __( 'Book Now', 'wp-bnb' ),
+					'total'            => __( 'Total', 'wp-bnb' ),
+					'nights'           => __( 'nights', 'wp-bnb' ),
+					'basePrice'        => __( 'Base', 'wp-bnb' ),
+					'weekendSurcharge' => __( 'Weekend surcharge', 'wp-bnb' ),
+					'season'           => __( 'Season', 'wp-bnb' ),
+				),
+			)
+		);
 	}
 
 	/**