feat: add PyPI metadata and dynamic versioning

[cebidhem]

• Add PyPI metadata: readme, license, authors, keywords, classifiers, URLs
• Switch from setuptools to hatchling with uv-dynamic-versioning
• Enable dynamic version from git tags
• Update CI workflow to fetch full git history for versioning
• Load version dynamically from package metadata

[Copilot]

Pull Request Overview

This PR modernizes the package configuration by adding comprehensive PyPI metadata and implementing dynamic version management through git tags. The changes enhance the package's discoverability and maintainability by switching from setuptools to hatchling with uv-dynamic-versioning.

• Replace hardcoded version with dynamic version loading from git tags
• Add comprehensive PyPI metadata including authors, keywords, classifiers, and project URLs
• Switch build system from setuptools to hatchling with uv-dynamic-versioning

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
wt/init.py	Replace hardcoded version with dynamic loading from package metadata
pyproject.toml	Add PyPI metadata and switch to hatchling with dynamic versioning
.github/workflows/publish.yml	Update CI to fetch full git history for version calculation

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