feat: add ICY metadata and AzuraCast radio streaming support

Agent-Logs-Url: https://github.com/nisrael/psysonic/sessions/88faada5-28bb-446f-b53b-46a0efef387e

Co-authored-by: GitHub Copilot <198982749+copilot@users.noreply.github.com>
Signed-off-by: Nils Israel <nils@sxda.io>

src/locales/de.ts

@@ -920,6 +920,10 @@ export const deTranslation = {
     favorite: 'Zu Favoriten hinzufügen',
     unfavorite: 'Aus Favoriten entfernen',
     noFavorites: 'Keine Lieblingssender.',
+    listenerCount_one: '{{count}} Hörer',
+    listenerCount_other: '{{count}} Hörer',
+    recentlyPlayed: 'Zuletzt gespielt',
+    upNext: 'Als Nächstes',
   },
   folderBrowser: {
     empty: 'Leerer Ordner',