WooCommerce Bookings 2.1.2

* Fix - Customer defined blocks with resources will not work.
* Fix - Incorrect data deleted for privacy erase.
* Fix - Define class and constants before plugins_loaded.
* Fix - Booking days adds an extra day.

* Add - Ajax endpoint to get all bookable products.
* Add - Ajax endpoint to get all categories that have bookable products.
* Add - Ajax endpoint to get all resources.
* Add - Ajax endpoint to get booking slots (available and booked).
* Add - Created Settings section and moved Global Avaialability, Timezone, and Google Calendar options into it.
* Add - Google 2-way sync integration.
* Add - Introduce Action Scheduler.
* Add - Move calendar integration to bookings settings tab.
* Add - Store admin calendar - added datepicker for easier navigation.
* Add - Store admin calendar - daily view - Display a detailed popover when clicking on an event.
* Add - Use webpack for build process.
* Add - User booking calendar - replace duration input field with start time and end time.
* Add - WC Admin inbox notification after Bookings extension activation.
* Fix - Bookings Addons not showing under WooCommerce > Extensions.
* Fix - Buffers not respecting single block when they are selected.
* Fix - Coupons give the wrong discount.
* Fix - Customer defined blocks plus buffers calculate incorrect blocks length.
* Fix - Customer defined blocks with buffers allow only first booking of the day to be selected.
* Fix - Day is still showing as fully booked when switching resource.
* Fix - HTML encoding issue in calendar connection tab.
* Fix - No saved message feedback when saving timezone options settings.
* Fix - Rate not applied for December Bookings 1+ years in the future.
* Tweak - Custom table and CRUD implementation for global availability
* Tweak - Rename Google Calendar Integration settings to Calendar Connect.
* Tweak - Show global availability in admin calendar.
* Tweak - Store admin calendar - daily view - UX improvements.
* Tweak - Store admin calendar - daily view - scroll to first available time in daily view.
* Tweak - Store admin calendar - monthly view - UX improvements.
* Tweak - User booking calendar - Misc minor UX improvements.

* Tweak - Add link to WordPress timezone settings.
* Tweak - Performance improvement for Bookable products that contain many bookable blocks.
* Fix - Datepicker in Edit Booking fixed to honor WordPress week start day.
* Fix - My Account page shows bookings in the site's time zone, instead of the local time zone.
* Fix - JS error in console when trying to save a product that's not a booking. Prevents saving.
* Tweak - Prevent loading of availability on initial page load.
* Tweak - PAO 3.0+ compatibilty.
* Fix - Break after first application of custom rule on a booking block.
* Fix - Rounding issue when manually creating a booking and generating an order.