Remove osc-min dependency

[MylesBorins]

Fixes #115

Remove the osc-min dependency and implement toBuffer and fromBuffer functions according to the OSC specification.

• package.json

  • Remove the osc-min dependency
  • Add a package import named #osc pointing to lib/internal/osc.mjs

• lib/internal/osc.mjs

  • Implement the toBuffer function
  • Implement the fromBuffer function

• lib/Client.mjs

  • Remove the import of osc-min
  • Import toBuffer from #osc
  • Update the send method to use toBuffer from #osc

• lib/Server.mjs

  • Remove the import of #decode
  • Import fromBuffer from #osc
  • Update the _sock.on('message') handler to use fromBuffer from #osc

• test/test-osc.mjs

  • Add tests for the toBuffer function
  • Add tests for the fromBuffer function

• Remove files

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

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