Allow selecting output format (yaml/json/plain) from CLI.

[github-actions]

DiogoRibeiro7.github.io/extract_front_matter.py

Lines 4 to 7 in 873aa63

	# TODO: Allow selecting output format (yaml/json/plain) from CLI.
	def extract_and_print_front_matter(folder: str, file_name: str):
	"""
	Extracts and prints the YAML front matter from a Markdown file.

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This issue was generated by todo-issue based on a TODO comment in 873aa63.