Add XDG Base Directory Specification support

[dudynets]

Currently, config files are stored in $HOME/.ledfx directory on MacOS and Linux.

LedFx/ledfx/config.py

Lines 162 to 173 in 021e953

	def get_default_config_directory() -> str:
	"""
	Get the default configuration directory.
	Returns:
	str: The default configuration directory path.
	"""
	base_dir = (
	os.getenv("APPDATA") if os.name == "nt" else os.path.expanduser("~")
	)
	return os.path.join(base_dir, CONFIG_DIRECTORY)

To enhance organization and adhere to established standards, it's recommended to relocate the config folder to $XDG_CONFIG_HOME/ledfx.

[shauneccles]

Hi,

I'm not familiar with XDG_CONFIG_HOME - I'm having a lil trouble finding a solid reference page for its use/implementation.

Any hints?