* [NP:Kibana:homeAPI] initializes a new plugin (WIP)

* Typing

* New plugin tutorials not needing server working

* Retains legacy tutorial registration and adds new route for new platform tutorial plugin registrations

* Adds comment on where to pre-register general non-plugin specific tutorials

* Converts TutorialsPlugin to TutorialsRegistry service in new Home plugin

* Changes call to location of registerTutorial in registerTutorials

* Adds console log for the home plugin that's returning an empty object

* Removes async from setup and start methods in the home plugin and the tutorials service

* Starts writing tests and creating mocks

* Adds basic tests for TutorialRegistry service

* Adds basic tests for TutorialRegistry service

* Adds test for route

* Adds mocks and tests for the home plugin

* Adds home plugin to security plugin and registers scoped tutorials service

* Removes incorrect addition to src core server

* Fixes type errors

* Deletes unused code

* Deletes duplicate golangMetricsSpecProvider registration

* Nests tutorials service in a tutorials key in the home plugin, changes api http routes for legacy platform and NP

* Changes url variable names