docs: Encryption docs manual backport (#21801)

CE-654 - TLS Encryption docs + CE-713 - Gossip Encryption key rotation (#21509)

* New proposed structure

* Fix structure and add some content

* Fix structure and add some content

* Fix structure and add some content

* Add content

* Add content

* mtls steps

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* Encryption docs structure change

* spacing fixes

* Replace <CodeTabs>

* <CodeBlockConfig> alignment

* indent fixes

* spacing

* More Code tabs fixes

* Structure chenges

* Structure chenges

* Extra content and CE-713 migration

* Extra content

* Extra content

* Extra content

* Apply suggestions from code review



* Apply suggestions from code review



* Apply suggestions from code review

* Test CodeTabs

* Test CodeTabs

* Apply suggestions from code review



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Co-authored-by: danielehc <40759828+danielehc@users.noreply.github.com>