* add ce side code and stubs
* add changelog
* style refactor
* try to use APIPath as mount point instead of request field
* fix linter
* return a response struct instead of a pure timestamp
* add issue time to response
* add ttl to GetRotationInformation response
* rename field for clarity
* update ttl to just seconds
* rename next and last rotation time field; describe what they are
* rename function
* catch up to ent PR
* fix patch merge mistake
