[Dashboard Navigation] Create and register navigation embeddable plugin

[nickpeihl]

Summary

Stubs out the Navigation embeddable plugin. All initial work on this feature is being merged into the navigation-embeddable feature branch.

Fixes #154355

This placeholder embeddable can be added to a dashboard by selecting "Navigation" from the "Select type" dropdown.

[elasticmachine]

Pinging @elastic/kibana-presentation (Team:Presentation)

[jbudz]

limits.yml

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: 3034e20

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
navigationEmbeddable	-	7	+7

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
navigationEmbeddable	-	18	+18

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
navigationEmbeddable	-	2.8KB	+2.8KB

Unknown metric groups

API count

id	before	after	diff
navigationEmbeddable	-	18	+18

ESLint disabled line counts

id	before	after	diff
enterpriseSearch	19	21	+2
securitySolution	398	401	+3
total			+5

Total ESLint disabled count

id	before	after	diff
enterpriseSearch	20	22	+2
securitySolution	478	481	+3
total			+5

History

• 💔 Build #125532 failed 4c108d4
• 💔 Build #125364 failed 70e2895

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

[Heenawter]

Code review + quick local test. LGTM as the first step - so excited to get this project started 💃