[8.16] New endpoint rules (backport #6100)

[mergify]

Resolves #5993.

Previews

ESS:

• Add and manage exceptions | Add Elastic Endpoint exceptions
• Detections and alerts
• Install and manage Elastic prebuilt rules
• Create a detection rule | Configure advanced rule settings (optional)
• Endpoint protection rules (new page)

Serverless:

• Add and manage exceptions | Add Elastic Endpoint exceptions
• Detection engine overview
• Use Elastic prebuilt rules
• Create a detection rule | Configure advanced rule settings (optional)
• Endpoint protection rules (new page)

  ---

  This is an automatic backport of pull request New endpoint rules #6100 done by Mergify.

[mergify]

Cherry-pick of 066441b has failed:

On branch mergify/bp/8.16/pr-6100
Your branch is up to date with 'origin/8.16'.

You are currently cherry-picking commit 066441b4.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/detections/add-exceptions.asciidoc
	modified:   docs/detections/detection-engine-intro.asciidoc
	modified:   docs/detections/rules-ui-create.asciidoc
	new file:   docs/management/admin/endpoint-protection-rules.asciidoc
	modified:   docs/management/manage-intro.asciidoc
	new file:   docs/serverless/edr-manage/endpoint-protection-rules.asciidoc

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   docs/serverless/index.asciidoc
	deleted by us:   docs/serverless/rules/add-exceptions.asciidoc
	deleted by us:   docs/serverless/rules/detection-engine-overview.asciidoc
	deleted by us:   docs/serverless/rules/rules-ui-create.asciidoc

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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