Emit message when creating a config file when adding config items

https://github.com/usethis-python/usethis-python/blob/b6c88b6bf13a5c3184a1c92a114dafdf93866367/src/usethis/_tool/base.py#L430-L434

	for file_manager in used_file_managers:
	if not (file_manager.path.exists() and file_manager.path.is_file()):
	# If the file doesn't exist, we will create it
	file_manager.path.touch(exist_ok=True)

Provide feedback