publish for both cloud and self-managed

Provide overview information:
 there is some overview information in the release notes (sections 2, 3.1 and 3.2), but the release notes are listed under the admin section of the splash page.

https://access.redhat.com/documentation/en-us/red_hat_openshift_data_science/1/html/release_notes/new-features_relnotes
Edit Delete
 
mflinn@redhat.comand the RH Developers site has some content that we could use: https://developers.redhat.com/products/red-hat-openshift-data-science/overview?extIdCarryOver=true&sc_cid=701f2000001Css5AAC