v0.3.0-beta.3- Patch(Build & Packaging)

What's Changed

• Added setup.py configuration.
• Fixed syntax issues in pyproject.toml.
• Removed manual inline build step in publish.yml.
• Removed wheel builds for macOS (pure Python fallback).
• Removed cibuildwheel platform-specific overrides (using defaults now).
• Added tool.setup module section to pyproject.toml.

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Full Changelog: v0.3.0-beta.2...v0.3.0-beta.3