adds restore docs for docker based instances (#18844)

adds restore docs for docker based instances (#18844)

* adds docke restore section

* fix typo

* Update docs/content/doc/usage/backup-and-restore.en-us.md

Co-authored-by: Gusted <williamzijl7@hotmail.com>
* fix container id placeholder

* adds restore help for docker-rootless

* restore yml autoformater quotes

Co-authored-by: Marco Blessing <marco.blessing@komm.one>
Co-authored-by: Gusted <williamzijl7@hotmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>