sync with upstream while maintaining features

What's Changed

• sync with upstream by @DDOneApps in #1

New Contributors

• @DDOneApps made their first contribution in #1

Full Changelog: v0.3-stable...v0.3-beta.16

0.3 stable

• improved preview for bubble
• added animations
• bug fixes
• removed automatic accessibility bubble

v0.3 preview

what's changed

• added floating bubble that comes up with volume panel

Full Changelog: https://github.com/DDOneApps/VolumeManager/commits/v0.3