website/docs: added info about creating super-users (#11356) #105

Job	Run time
test-unittest - PostgreSQL 15-alpine	15m 33s
test-migrations-from-stable - PostgreSQL 15-alpine	16m 46s
test-unittest - PostgreSQL 16-alpine	15m 58s
test-migrations-from-stable - PostgreSQL 16-alpine	16m 58s
lint (bandit)	2m 27s
test-e2e (proxy)	7m 5s
lint (black)	2m 20s
test-e2e (oauth)	9m 0s
lint (codespell)	1m 49s
test-e2e (oauth-oidc)	8m 11s
lint (pending-migrations)	2m 24s
test-e2e (saml)	8m 26s
lint (ruff)	2m 9s
test-e2e (ldap)	11m 39s
test-e2e (radius)	6m 39s
test-integration	5m 41s
test-e2e (scim)	5m 43s
test-e2e (flows)	6m 45s
test-migrations	2m 53s
ci-core-mark	1s
build (amd64)	3m 9s
build (arm64)	15m 3s
pr-comment	0s
	2h 46m 39s

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