chore: add devcontainer definitions

[npalm]

Add dev container

[github-actions[bot]]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
⚠️ BASH	bash-exec	2		2	0.03s
❌ BASH	shellcheck	2		2	0.04s
✅ BASH	shfmt	2	2	0	0.04s
❌ DOCKERFILE	hadolint	1		1	0.09s
✅ EDITORCONFIG	editorconfig-checker	7		0	0.05s
❌ JSON	jsonlint	3		1	0.25s
✅ JSON	npm-package-json-lint	yes		no	0.69s
✅ JSON	prettier	3	2	0	0.49s
✅ JSON	v8r	3		0	2.78s
✅ REPOSITORY	gitleaks	yes		no	1.57s
✅ REPOSITORY	git_diff	yes		no	0.03s
✅ REPOSITORY	grype	yes		no	14.06s
✅ REPOSITORY	secretlint	yes		no	0.94s
❌ REPOSITORY	trivy	yes		1	8.65s
✅ REPOSITORY	trivy-sbom	yes		no	1.85s
✅ REPOSITORY	trufflehog	yes		no	6.2s
❌ SPELL	cspell	8		5	4.15s
✅ SPELL	lychee	4		0	0.64s

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

_MegaLinter is graciously provided by _