The output directory used to be fixed at ~/Music/GoDeez. config.Load
now honours GODEEZ_OUTPUT_DIR when set, with a leading ~ expanded by
hand since the shell only does that for unquoted arguments, not for
values read out of the environment. Falls back to the previous default
when unset.
Introduces the `godeez download track <ID>` command, allowing users to download individual songs directly.
Single tracks are saved into a "Singles" folder by default to keep them organized. The README has been updated with documentation and examples for this new functionality.