Supercollider

- Updated to use native `python-osc` for OSC communications, eliminating dependency on `liblo`
- Added type hints (requires Python 3.9+)

- Implement `Buffer.get`, to query samples from a Buffer

- Fixed Linux dependencies (thanks to Dan Stowell)

- Add `AudioBus`/`ControlBus`
- Add further examples: `buffer-read`, `buffer-set`, `buffer-write`, `bus-example`

- Add `Buffer`
- Add `Group`
- Add support for synchronous operations

Minimum viable release.
- Add `Server`
- Add `Synth`, with support for get/set/free