Add music platform with DGDN album player

- Create /music landing page with artist grid
- Add /music/Darnea artist page with album listing
- Build /music/Darnea/DGDN album player with clickable tracklist
- Auto-play next track on completion
- Dangrubb-branded styling with cyan accent colors
- FLAC player pulls from /src/audio/DGDN
- Move landing page links to bottom with yellow announcement box

style.css

@@ -156,6 +156,46 @@ p {
   font-size: 0.875rem;
 }
 
+.announcement {
+  margin: 30px auto 0;
+  padding: 20px;
+  max-width: 500px;
+  background: #ffeb3b;
+  border: 3px solid #fbc02d;
+  border-radius: 8px;
+  text-align: center;
+  box-shadow: 0 4px 12px rgba(255, 235, 59, 0.3);
+}
+
+.announcement a {
+  color: #000;
+  font-weight: bold;
+  text-decoration: none;
+  font-size: 1rem;
+}
+
+.announcement a:hover,
+.announcement a:focus {
+  text-decoration: underline;
+  opacity: 0.85;
+}
+
+.links-bottom {
+  margin: 60px auto 0;
+  position: relative;
+  max-width: 400px;
+  text-align: center;
+  padding-bottom: 20px;
+  display: flex;
+  flex-wrap: wrap;
+  gap: 20px;
+  justify-content: center;
+}
+
+.links-bottom a {
+  color: #6be1e9;
+}
+
 a {
   color: #6be1e9;
 }