docs: start the documentation site

[davidB]

• with hugo static site generator (SSG)
• with theme hugo-fresh for landing page

[github-actions[bot]]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
❌ ACTION	actionlint	1		3	0.03s
✅ EDITORCONFIG	editorconfig-checker	16		0	0.02s
✅ MARKDOWN	markdownlint	1	0	0	0.34s
✅ MARKDOWN	markdown-table-formatter	1	0	0	0.23s
✅ REPOSITORY	dustilock	yes		no	0.01s
✅ REPOSITORY	gitleaks	yes		no	0.16s
⚠️ REPOSITORY	trivy	yes		1	4.94s
✅ REPOSITORY	trivy-sbom	yes		no	4.04s
✅ YAML	prettier	2	0	0	0.65s
❌ YAML	v8r	2		1	2.27s
✅ YAML	yamllint	2		0	0.22s

See detailed report in MegaLinter reports _Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff_

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