* Revert "Fix the doc example"
This reverts commit 2872def62b.
* Revert "add the set of sessionAffinity timeoutseconds (#5474)"
This reverts commit 657734de6f.
* Revert "pod-security-policy.md: fix broken link to PSP proposal."
This reverts commit 8db51e099f.
* Revert "fix typo"
This reverts commit 24e5383071.
* Revert "Update images.md"
This reverts commit f844a41502.
* Revert "Update links to avoid redirects. (#5614)"
This reverts commit 35c7393849.
* initial commit for structure
* migrate Container Lifecycle Hooks and related files to Concepts
* update Concepts ToC
* fix formatting
* Formatting tweaks
* comment out What's next
* remove What's next
* Begin rewrite of container-lifecycle-hooks.md
* incremental update to edit
* Split Container Lifecycle Hooks into container-lifecycle-hooks.md and container-environment.md; change all referring links.
* Add concept template to volumes.md and images.md
* Apply changes for steveperry-53 feedback.
* fix format issue
* tweak formatting
* fix Concepts ToC
* update links
* add back changes to Concepts ToC
* fix a link
* update links