A prerelease of m8gd.

If you are on macOS please read this note in the README before starting the app as it will likely not start out-of-the-box.

What's Changed

• Menu: add option to show all (non-M8) audio input devices
• SDL: Fix audio peak levels not calculated correctly if audio device is disconnected

Full Changelog: v0.10.0...v0.10.1