add promo/ — 宣传素材(deck/hero film/landing/quote cards) by huashu-design

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

promo/README.md

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+# Promo Assets · 宣传素材
+
+Brand & marketing assets for nuwa-skill, made with [huashu-design](https://github.com/alchaincyf/huashu-design) skill.
+
+| Asset | File | Spec |
+|---|---|---|
+| **Project Deck** | `deck/女娲deck-粗野编辑.pdf` | 16:9 · 10 pages · vector |
+| **Hero Film** | `hero/nuwa-hero-alchemy.mp4` | 1920×1080 · 60fps · 18s · with audio |
+| **Hero (web)** | `hero/nuwa-hero-alchemy.gif` | 540px · 1.75MB · for embeds |
+| **Landing Page** | `landing/女娲landing-编辑长文.pdf` · `.png` | 1440-wide scroll |
+| **Quote Cards** | `cards/card-{1-naval,2-musk,3-jobs}.png` | 1080×1080 ×3 |
+
+All content verified against the repo: 22.9k stars · 14 perspective skills + 1 topic skill · 50+ runtimes. The core message held throughout: **not role-playing — extracting a cognitive operating system.**
+
+MIT © 花叔 Huashu