v0.1.1 — no-VLM 출력 품질 개선

What's Changed

Fixed

• Use actual slide title as heading (instead of ## Slide N) when title placeholder exists (#53)
• Filter footer/slide-number/date placeholders from output (#54)
• Standardize no-VLM image markers to ![슬라이드 N 이미지 M] format (#55)

Full Changelog: v0.1.0...v0.1.1