[release-1.5] RHDH-5561: TechDocs content restructure#917

linfraze merged 1 commit intoredhat-developer:release-1.5redhat-developer/red-hat-developers-documentation-rhdh:release-1.5from

openshift-cherrypick-robot:cherry-pick-877-to-release-1.5openshift-cherrypick-robot/red-hat-developers-documentation-rhdh:cherry-pick-877-to-release-1.5Copy head branch name to clipboard