Release v0.11.0-alpha.2

This is a pre-release version. It features the latest stuff but might also contain bugs, so be careful if you're using it in production!

Did you know that you can set SuperConductor to automatically update to pre-release versions in the Applications settings?

What's Changed

Countdown timers

by @nytamin in #128

While not playing

• Displays "Total duration" (the sum of all Parts) of the Group.

While playing Group

• Displays "Remaining time" at the end of the Group
• Displays the timestamp of when the Group finish playing, or loops.
• Displays "countdowns to start" for each Part.

Bug fixes

• Bug fix: bug when editing duration, unable to set duration to null (infinite)

Full Changelog: v0.11.0-alpha.1...v0.11.0-alpha.2