Tags give the ability to mark specific points in history as being important
feat: replace unix style directory paths to platformdirs paths in CLI, to make it work across platforms.
v0.4.0: add spotify support, cli tool, sphinx-built docs.
v0.2.0: add tz aware timestamps, tz converter, top charts, getter/setter methods, and markdown exporter.
v0.1.0: initial release (class refactor + IO + tests)