Holistic review of OSL documentation guides

Summary
Holistically review the documentation for OSL 1.33.0. This task has 2 parts,
one is community and one is product. SRVLOGIC jira captures both efforts.
Consider it as an umbrella for everything related to this effort.

Community tracker ( community docs ):
https://github.com/apache/incubator-kie-kogito-docs/issues/584
Community docs ( use snapshot ):
https://sonataflow.org/serverlessworkflow/main/index.html

Productized docs:
https://openshift-knative.github.io/docs/docs/latest/serverless-logic/about.html
See linked issues for productized review JIRAs