Enhance RLS Options

[stephenlprice]

the playbook lacks mention of vconns found here: https://help.tableau.com/current/server-linux/en-us/rls_options_overview.htm

While this other listing on that web page does not mention entitlements tables or connected apps:

The playbook should link to our official docs but also fill in the gaps found in those docs https://tableau.github.io/embedding-playbook/pages/04_multitenancy_and_rls