Add event contact email and multi-day occurrences design specifications

- Introduced a new specification for adding an optional contact email field to events, including front-end output and compatibility testing.
- Added a comprehensive design document for multi-day event occurrences, detailing the new occurrence data model, validation, normalization, and calendar architecture.
- Created specifications for ACF field-key switching compatibility and local ACF override compatibility to ensure seamless integration with existing themes.
- Implemented a desktop calendar view toggle design, allowing users to switch between calendar and list views, with persistent preferences and responsive behavior.

aa-events.php

@@ -3,7 +3,7 @@
  * Plugin Name:       AA Events
  * Plugin URI:        https://github.com/automattic/aa-events
  * Description:       An Events management plugin for WordPress, with accessible calendar (WCAG 2.2AA) and card grid views.
- * Version:           1.2.0
+ * Version:           1.2.5
  * Author:            Keith Solomon
  * Author URI:        https://vincentdesign.ca
  * License:           GPL-2.0+
@@ -49,7 +49,7 @@ register_deactivation_hook( __FILE__, 'deactivate_aa_events' );
  * Define Constants
  */
 define( 'AA_EVENTS_PLUGIN_FILE', __FILE__ );
-define( 'AA_EVENTS_VERSION', '1.2.0' );
+define( 'AA_EVENTS_VERSION', '1.2.1' );
 define( 'AA_EVENTS_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
 define( 'AA_EVENTS_PLUGIN_URL', plugin_dir_url( __FILE__ ) );