Update cover image and switch lyrics API integration

Replaced cover.png with cover.jpeg and updated CSS references. Changed radio name, streaming URL, and API endpoint in script.js. Removed Vagalume lyrics API integration in favor of using lyrics from RadioAPI.me, simplifying the lyrics fetching logic.

README.md

@@ -94,9 +94,7 @@ To change the number of history items displayed, edit `js/script.js` and modify
 
 ## 🌐 API Integration
 
-This player uses [RadioAPI.me](https://radioapi.me) for metadata. Get your API endpoint from their service.
-
-For lyrics functionality, get a Vagalume API key from [Vagalume API](https://api.vagalume.com.br/docs/).
+This player uses [RadioAPI.me](https://radioapi.me) for metadata and its lyrics. Get your API endpoint from their service.
 
 ## 🐛 Troubleshooting