add new skill baoyu-comic

skills/baoyu-cover-image/references/styles/minimal.md

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+# minimal
+
+Ultra-clean, zen-like, focused
+
+## Color Palette
+
+- Primary: Pure black (#000000), white (#FFFFFF)
+- Background: White or off-white (#FAFAFA)
+- Accents: Single color (user's choice or content-derived)
+
+## Visual Elements
+
+- Single focal point
+- Maximum negative space
+- Thin lines
+
+## Typography
+
+- Clean, simple hand lettering, lots of breathing room
+
+## Best For
+
+Philosophy, minimalism, focused concepts