Added redirects for observability reorg

[bscott-rh]

trafficstars

Version(s): main

cc @max-cx

[ocpdocs-previewbot]

🤖 Tue Mar 19 16:31:16 - Prow CI generated the docs preview: https://73422--ocpdocs-pr.netlify.app

[openshift-ci[bot]]

@bscott-rh: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.