Add Videos section — hub + 3 collection pages, wire nav star

- Videos/index.html: hub page with 3 collection cards (Cringe Pit, Renegade, Nomad Soul)
- cringe-pit, renegade-storyteller, nomad-soul: new fonts (Bebas Neue, Space Mono, Barlow Condensed, Rye), vibrant palette aligned with homepage, full iframe allow attributes
- Nomad Soul entry 1 placeholder converted to linked card → anomadsoul3791 channel
- index.html: Videos star href wired to Videos/index.html

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

index.html

@@ -690,7 +690,7 @@ body::after {
 
   var STARS = [
     { id: 'writings',     label: 'Writings',     sign: '文',  x: 25, y: 22, href: '' },
-    { id: 'videos',       label: 'Videos',       sign: '映',  x: 68, y: 18, href: '' },
+    { id: 'videos',       label: 'Videos',       sign: '映',  x: 68, y: 18, href: 'Videos/index.html' },
     { id: 'music',        label: 'Music',        sign: '♬',  x: 12, y: 44, href: '' },
     { id: 'images',       label: 'Images',       sign: '絵',  x: 55, y: 35, href: '' },
     { id: 'playlists',    label: 'Playlists',    sign: '≡',  x: 78, y: 50, href: '' },