skills/video-quote-finder: add markdown PR hygiene checks

skills/video-quote-finder/SKILL.md

@@ -33,3 +33,14 @@ python3 skills/video-quote-finder/scripts/find_quote_timestamp.py \
 - Requires `summarize` CLI (`@steipete/summarize`) in PATH.
 - Works best when YouTube captions are available.
 - If no exact match is found, uses fuzzy matching and suggests alternatives.
+
+## PR hygiene (Markdown)
+
+When this skill is added/updated in a PR, ensure docs checks pass before pushing:
+
+```bash
+pnpm format:docs:check
+pnpm lint:docs
+```
+
+If a markdown CI error appears (for example `MD034/no-bare-urls`), fix the markdown and re-run both commands.