Add numbered headings to /get-started #449

Job	Run time
Set CI/CD metadata	6s
Commit stage / Check file format	4s
Commit stage / Count lines of code	6s
Commit stage / Check Markdown format	8s
Commit stage / Check English usage	5s
Commit stage / Lint Terraform	6s
Commit stage / Scan dependencies	25s
Commit stage / Scan secrets	3s
Test stage / Unit tests	2s
Test stage / Linting	3s
Test stage / Test coverage	3s
Test stage / Perform static analysis	52s
Build stage / Artefact 2	3s
Build stage / Artefact 1	4s
Acceptance stage / Environment set up	2s
Acceptance stage / Integration test	2s
Acceptance stage / Contract test	4s
Acceptance stage / Accessibility test	1m 8s
Acceptance stage / Load test	6s
Acceptance stage / Security test	3s
Acceptance stage / UI performance test	2s
Acceptance stage / UI test	5s
Acceptance stage / Environment tear down	4s
	3m 46s

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