Update Notification Buttons

[fillwithjoy1]

trafficstars

• Mark as done is changed to just "Done", which deletes the notification if it's not repeating
• There's a new Archive button which archives the notification, includes repeating and non-repeating notifications
• Fixes #13

[fillwithjoy1]

I cannot test this because I have no idea how to build this app 😭😭😭😭