website/docs: add content about bindings #25231

Job	Run time
lint (bandit)	1m 38s
test-migrations	2m 47s
lint (black)	1m 42s
lint (codespell)	1m 31s
lint (pending-migrations)	1m 41s
lint (ruff)	1m 26s
test-migrations-from-stable - PostgreSQL 15-alpine	17m 53s
test-migrations-from-stable - PostgreSQL 16-alpine	18m 28s
test-unittest - PostgreSQL 15-alpine	16m 31s
test-unittest - PostgreSQL 16-alpine	16m 55s
test-e2e (proxy)	8m 30s
test-integration	5m 36s
test-e2e (oauth)	7m 19s
test-e2e (oauth-oidc)	6m 6s
test-e2e (saml)	6m 5s
test-e2e (ldap)	10m 18s
test-e2e (radius)	5m 32s
test-e2e (scim)	3m 54s
test-e2e (flows)	4m 48s
ci-core-mark	1s
build (amd64)	10m 46s
build (arm64)	31m 9s
pr-comment	6s
	3h 0m 42s

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