Remove osc-min dependency

[MylesBorins]

Related to #115

Remove the osc-min dependency and implement custom OSC encoding/decoding functions.

• Remove osc-min dependency

  • Remove osc-min from package.json.
  • Remove #decode alias from package.json.

• Update Client.mjs

  • Import toBuffer from internal/osc.mjs.
  • Update send method to use the new toBuffer function.

• Update Server.mjs

  • Import fromBuffer from internal/osc.mjs.
  • Update message event handler to use the new fromBuffer function.

• Add internal/osc.mjs

  • Implement toBuffer function to encode OSC messages.
  • Implement fromBuffer function to decode OSC messages.

• Update rollup.config.mjs

  • Remove osc-min and #decode from the external array in the walkLib function.
  • Remove osc-min and #decode from the external array in the walkTest function.

• Add tests for new implementation

  • Add test/test-osc.mjs with tests for toBuffer and fromBuffer functions.

• Remove old files

  • Delete lib/internal/decode.mjs.
  • Delete test/test-decode.mjs.

---

For more details, open the Copilot Workspace session.