Move example skills into dedicated folder and create minimal top-level folder structure (#129)

skills/theme-factory/themes/midnight-galaxy.md

@@ -0,0 +1,19 @@
+# Midnight Galaxy
+
+A dramatic and cosmic theme with deep purples and mystical tones for impactful presentations.
+
+## Color Palette
+
+- **Deep Purple**: `#2b1e3e` - Rich dark base
+- **Cosmic Blue**: `#4a4e8f` - Mystical mid-tone
+- **Lavender**: `#a490c2` - Soft accent color
+- **Silver**: `#e6e6fa` - Light highlights and text
+
+## Typography
+
+- **Headers**: FreeSans Bold
+- **Body Text**: FreeSans
+
+## Best Used For
+
+Entertainment industry, gaming presentations, nightlife venues, luxury brands, creative agencies.