Accessibility statement, sitemap and other misc changes #403

Job	Run time
Set CI/CD metadata	4s
Commit stage / Check Markdown format	8s
Commit stage / Count lines of code	6s
Commit stage / Check file format	4s
Commit stage / Check English usage	6s
Commit stage / Lint Terraform	7s
Commit stage / Scan dependencies	22s
Commit stage / Scan secrets	4s
Test stage	0s
Build stage	0s
Acceptance stage	0s
	1m 1s

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