Refined ProtonCalendar per Jason Ku

Implements a number of usability improvements in the ProtonCalendar web app, such as Google Calendar-style keyboard shortcuts.

Keyboard Shortcuts

• j: Go forward to next date range
• k: Go back to previous date range
• t: Jump to "Today"
• 1 or d: Toggle "Day" view
• 2 or w: Toggle "Week" view"
• 3 or m: Toggle "Month" view"
• e: Edit event (when event is selected)
• ⌘ + s (Mac): Save event (when editing or creating event)
• Backspace or Delete: Delete event (press Enter to confirm)
• Escape: Close popover modal

Source

https://github.com/jasonku/refined-protoncalendar

Thanks to the refined-github repo for the name inspiration.