feat: add file_id to PlaylistFilter

program/filters.py

@@ -341,6 +341,10 @@ class PlaylistFilter(filters.FilterSet):
         field_name="entries__file_id",
         help_text="Return only playlists that use to the specified file ID.",
     )
+    show_id = filters.NumberFilter(
+        field_name="show_id",
+        help_text="Return only playlists for the specified show ID.",
+    )
 
     class Meta:
         fields = ("file_id",)