mkdocs/docs/experiments/faq/ci-cd.md: improve markdown formatting (#4… #874

Job	Run time
get-envs	10s
frontend-checks	2m 0s
backend-checks	38s
docker-build-and-push-subscriber	12m 48s
docker-build-and-push-graphql-server	17m 26s
docker-build-and-push-authentication-server	8m 25s
docker-build-and-push-event-tracker	20m 22s
docker-build-and-push-frontend (litmusportal-frontend)	4m 57s
docker-build-and-push-frontend (litmusportal-frontend-path-litmuschaos, /litmuschaos)	4m 45s
	1h 11m 31s

Provide feedback