v0.28.0

What's changed

• chore: drop stray .dclx test outputs; document docling-py in READMEs (80b1b21)
• ci(docling-py): manual PyPI publish workflow for docling-rs (71b1197)
• feat(docling-py): finalize strangler-fig drop-in over real DoclingDocument (cfc0c96)

Full changelog: v0.27.0...v0.28.0