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.

css/style.css

@@ -333,7 +333,7 @@ main {
 #currentCoverArt {
   width: 100%;
   height: 100%;
-  background: url("../img/cover.png") no-repeat center;
+  background: url("../img/cover.jpeg") no-repeat center;
   background-size: cover;
   transition: background-image 1s ease;
 }
@@ -588,7 +588,7 @@ input[type="range"]::-moz-range-thumb {
 .cover-historic {
   width: 80px;
   height: 80px;
-  background: url("../img/cover.png") no-repeat center;
+  background: url("../img/cover.jpeg") no-repeat center;
   background-size: cover;
   border-radius: 10px;
   flex-shrink: 0;