Setup markdownlint

[buberdds]

Built on top of #1639

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	3		0	0.18s
✅ EDITORCONFIG	editorconfig-checker	13		0	0.04s
✅ JAVASCRIPT	eslint	1	0	0	5.41s
✅ JSON	eslint-plugin-jsonc	1	0	0	0.95s
✅ JSON	jsonlint	1		0	0.33s
✅ JSON	npm-package-json-lint	yes		no	0.82s
✅ JSON	prettier	1	0	0	0.42s
✅ JSON	v8r	1		0	4.33s
✅ MARKDOWN	markdownlint	3	0	0	0.79s
✅ MARKDOWN	markdown-table-formatter	3	0	0	0.29s
✅ REPOSITORY	checkov	yes		no	41.76s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	grype	yes		no	17.06s
✅ REPOSITORY	trivy-sbom	yes		no	2.34s
✅ REPOSITORY	trufflehog	yes		no	161.67s
✅ TYPESCRIPT	eslint	1	0	0	5.96s
✅ YAML	prettier	4	0	0	0.54s
✅ YAML	v8r	4		0	4.03s
✅ YAML	yamllint	4		0	0.5s

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