feat: enhance UI and fix video handling

- Hide video elements in widget for improved user experience
- Update header background for better contrast
- Prevent empty image containers from rendering
- Remove unsupported video player elements
- Add onclick attribute to links for enhanced functionality
- Include Yandex.ru in target whitelist for expanded compatibility

src/pages/static/[...url].js

@@ -5,6 +5,7 @@ const targetWhitelist = [
   'telegram.dog',
   'cdn-telegram.org',
   'telesco.pe',
+  'yandex.ru',
 ]
 
 export const prerender = false