v0.20.0 - Beta Release: Unified Archives Window

This release marks our entry to the Beta phase and includes several new features and improvements:

• Shiny New UI ✨
• New archives sidebar to access all archives in one place
• Hotkeys (Cmd/Ctrl + 1-9) for switching between archives
• Archives now have colored avatars, Right click on them to change their color!
• Fixed numerous bugs

⚠️ This update will clear your recent list of opened archives, but fear not! Just re-add them to Buttercup.