Fix YouTube intro loading and extend .env-driven site config.

Embed video settings directly in generated HTML, add optional post-video redirect toggle, and expose Twitter description as a separate env variable.

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose.dev.yml

@@ -10,6 +10,5 @@ services:
     volumes:
       - ./index.html:/usr/share/nginx/html/index.html:ro
       - ./site.webmanifest:/usr/share/nginx/html/site.webmanifest:ro
-      - ./config.js:/usr/share/nginx/html/config.js:ro
       - ./assets:/usr/share/nginx/html/assets:ro
       - ./default.conf:/etc/nginx/conf.d/default.conf:ro