* Public in WiP state, removed all 'ui/' imports

* First iteration of public shimmed and working

* A whole lotta WIP server side

* Server-side to using the NP router + client side changes

Updated the client code to properly encode requests to the
server. Did first E2E test.

Route tests are probably broken, need to fix them.

* Removed unused error wrapping code

* Update client Jest tests

* Add breadcrumbs service mock

* Fix server side Jest tests

* Add helper functions file for server side Jest tests

* Fix API integration tests

* Fixed boolean logic mistake in due to refactor in index mgmt ext.

Also migrated to the a more NP friendly version of index mgmt
extension.

* Remove unused import

* Clean up some cruft and refactor URL variable names

* Fix stringification of body and fix boolean server logic

* Fix mocha

Folder called __tests__ with Jest tests was breaking mocha.

* Refactor to Jest test

* Fix types issues in jest test

* Migrate to new config-schema API

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>