Beer Style Guidelines 2022.1

First update of 2022. 🥳

* Adds the 2021 BJCP Beer Style Guidelines.
* Fixes a crashing issue. 
* Removes access to the 2015 BJCP Beer Style Guidelines.
* Removes access to the 2020 Brewers Association Beer Style Guidelines.
* Adds basic Telemetry analytics.
* Updates the "Page Down" keyboard shortcut to use a space (as it should have been all along).