Update authentication documentation

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	8		0	0.14s
✅ COPYPASTE	jscpd	yes		no	14.3s
✅ DOCKERFILE	hadolint	1		0	0.1s
✅ JSON	npm-package-json-lint	yes		no	0.51s
✅ JSON	prettier	21	0	0	1.89s
✅ JSON	v8r	21		0	26.83s
⚠️ MARKDOWN	markdownlint	152	0	164	7.83s
✅ MARKDOWN	markdown-table-formatter	152	0	0	1.34s
✅ REPOSITORY	checkov	yes		no	18.98s
⚠️ REPOSITORY	gitleaks	yes		10	16.73s
⚠️ REPOSITORY	grype	yes		1	19.89s
✅ REPOSITORY	trivy	yes		no	10.29s
✅ REPOSITORY	trivy-sbom	yes		no	1.05s
✅ REPOSITORY	trufflehog	yes		no	10.66s
✅ SPELL	cspell	361		0	17.21s
⚠️ SPELL	lychee	188		6	5.27s
✅ TYPESCRIPT	eslint	157	0	0	8.75s
✅ TYPESCRIPT	prettier	157	0	0	9.32s
✅ XML	xmllint	4	0	0	0.34s
✅ YAML	prettier	13	0	0	1.46s
✅ YAML	v8r	13		0	24.11s
✅ YAML	yamllint	13		0	0.47s

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