dea-scripts: Publish Python package to PyPI

[emmanuel-a-otchere]

WBS: DT-S-004 | Developer Tooling

Phase: Release | Layer: L2 — Tooling | Priority: Critical

Objective

Publish dea-scripts to PyPI as @technehub-labs/dea-scripts.

Deliverables

• pyproject.toml / setup.py with correct metadata
• Published to PyPI Test first, then production
• README rendered on PyPI project page
• Versioned releases: pip install dea-scripts==1.0.0