[Internal]: Make https://support.elastic.co/knowledge/07e3d4f0 into public doc

[kunisen]

Description

This is a placeholder ticket that we want to discuss with doc team to make https://support.elastic.co/knowledge/07e3d4f0 content into public doc, for better visibility and make it owned by ES team.

Resources

https://support.elastic.co/knowledge/07e3d4f0

Which documentation set does this change impact?

Elastic On-Prem and Cloud (all)

Feature differences

N/A

What release is this request related to?

N/A

Serverless release

N/A

Collaboration model

The documentation team

Point of contact.

Main contact: @kunisen @jakommo

Stakeholders: Support, ES (We are happy to ask for ES team's input this if needed), Docs

[kunisen]

We are thinking of putting this under https://www.elastic.co/docs/deploy-manage/tools/snapshot-and-restore, and make a new sub page, with the title like "Considerations on reducing snapshot storage"