update docs

.gitlab-ci.yml

deploy/build_env/services-linux/Dockerfile

docs/site/docs/consumer-clients.md

docs/site/docs/cookbook/overview.md

docs/site/docs/producer-clients.md

docs/site/docusaurus.config.js

docs/site/versioned_docs/version-21.06.0/consumer-clients.md

docs/site/versioned_docs/version-21.06.0/getting-started.mdx

docs/site/versioned_docs/version-21.06.0/producer-clients.md

docs/site/versioned_docs/version-21.09.0/consumer-clients.md

.../site/versioned_docs/version-21.09.0/cookbook/overview.md

docs/site/versioned_docs/version-21.09.0/producer-clients.md

docs/site/versioned_docs/version-21.12.0/consumer-clients.md

.../site/versioned_docs/version-21.12.0/cookbook/overview.md

docs/site/versioned_docs/version-21.12.0/producer-clients.md

docs/site/versioned_docs/version-22.03.0/consumer-clients.md

.../site/versioned_docs/version-22.03.0/cookbook/overview.md

docs/site/versioned_docs/version-22.03.0/producer-clients.md