feat: add image to playlist

routes/api.php

@@ -245,6 +245,8 @@
     Route::get('public/music-categories', [MusicCategoryController::class, 'index']);
 
     // Music Playlists
+    // Explicit POST update so a playlist image can be uploaded (multipart can't ride a PUT).
+    Route::post('music-playlists/{music_playlist}', [MusicPlaylistController::class, 'update']);
     Route::apiResource('music-playlists', MusicPlaylistController::class);
     Route::get('playlists/by-category/{categoryId}', [MusicPlaylistController::class, 'index']);