fmard/pdf-api

feat: add batch 5 templates (property + travel, 22 new)

feat: add batch 4 templates (marketing + medical, 26 new)

feat: add batch 3 templates (reports + letters, 28 new)

feat: add HR (15) + Education (15) template categories — total 59 templates

feat: v2.0 — URL→PDF, Markdown→PDF, watermark, CSS injection, 29 templates

feat: PDF Generator API backend - Python + Playwright + Chromium