Build Docker Image

[sc2ben]

Not necessary immediately

• Create Dockerfile with:
  • Zig 0.15.2
  • Pandoc latest
  • Zola 0.20.0
  • mermaid-filter (with ARM fallback)
  • ImageMagick
  • All fonts/LaTeX dependencies
  • Multi-stage build for size optimization
  • Publish to ghcr.io/sc2in/policypress