Simple Notch 0.1.0

Added

• Compact Now Playing next to the notch: cover art on the left, audio bars on
  the right coloured from the album art.
• Hover drawer with playback controls, an app launcher, or automatic switching
  between them.
• Per-display surfaces: attached notch shape on built-in displays, floating pill
  on external monitors.
• Now Playing, Spotify, and Apple Music sources.
• Liquid Glass or solid black surfaces, full-screen and external-display hiding.
• Settings for notch and pill sizing, plus a Permissions pane for Automation
  access.