Allow configuring dynamic save paths

# devine.yaml example
dl:
  no_folder: True

directories:
  downloads: "~/Downloads/{title}/Season {season:02}"

devine/commands/dl.py

@@ -729,7 +729,7 @@ class dl:
 
                 for muxed_path in muxed_paths:
                     media_info = MediaInfo.parse(muxed_path)
-                    final_dir = config.directories.downloads
+                    final_dir = Path(str(config.directories.downloads).format(**title.__dict__))
                     final_filename = title.get_filename(media_info, show_service=not no_source)
 
                     if not no_folder and isinstance(title, (Episode, Song)):