0.8.x update, a few new features, and misc bugfixes

Version 2.1.0 (2021/05/20)
0.8.x update, a few new features, and misc bugfixes
• Updates Custom Hotbar for Foundry 0.8.x release branch while maintaining backwards compatibility.
• NEW FEATURE: Ability for users to disable their own custom hotbar entirely if they don't want it (and core hotbar too, because why not?)
• NEW FEATURE: keybinding library for a high level of keybinding customization and reliability improvements.
• Adds color settings library as an official dependency to assist with hotbar customization
• Portuguese translation (sorry about the delay rinnocenti!!)
• Changed hotbar coloration to match core foundry (#0000FF60 is the "classic blue" if you want to change back)
• Firefox compatibility improvements
• Module is now less talkative in console log
• Many miscellaneous bugfixes (see changelog).