feat(website): Add ADR1 and dir structure for #10

[aj-stein]

Set up ADR section of docs area in website, establish process with ADR1 to kick things off.

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ REPOSITORY	gitleaks	yes		no	no	0.07s
✅ REPOSITORY	grype	yes		no	no	22.16s
✅ REPOSITORY	kics	yes		no	no	1.52s
✅ REPOSITORY	secretlint	yes		no	no	0.88s
✅ REPOSITORY	semgrep	yes		no	no	18.13s
✅ REPOSITORY	syft	yes		no	no	1.71s
✅ REPOSITORY	trivy	yes		no	no	5.55s
✅ REPOSITORY	trivy-sbom	yes		no	no	0.18s
✅ REPOSITORY	trufflehog	yes		no	no	3.81s

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