Initial commit - SoundWave v1.0

- Full PWA support with offline capabilities
- Comprehensive search across songs, playlists, and channels
- Offline playlist manager with download tracking
- Pre-built frontend for zero-build deployment
- Docker-based deployment with docker compose
- Material-UI dark theme interface
- YouTube audio download and management
- Multi-user authentication support

backend/playlist/admin.py

@@ -0,0 +1,19 @@
+"""Playlist admin"""
+
+from django.contrib import admin
+from playlist.models import Playlist, PlaylistItem
+
+
+@admin.register(Playlist)
+class PlaylistAdmin(admin.ModelAdmin):
+    """Playlist admin"""
+    list_display = ('title', 'playlist_type', 'subscribed', 'created_date')
+    list_filter = ('playlist_type', 'subscribed')
+    search_fields = ('title', 'playlist_id')
+
+
+@admin.register(PlaylistItem)
+class PlaylistItemAdmin(admin.ModelAdmin):
+    """Playlist item admin"""
+    list_display = ('playlist', 'audio', 'position', 'added_date')
+    list_filter = ('playlist', 'added_date')