* layer unlayered code; fix layering * readd os * fix definition of recommended extensions * protect against tests
* Fixed telemetry events for visualizer recommendation prompts * Added telemetry event for when Visualizer button in action bar is clicked and added respective telemetry keys * Created TelemetryView and TelemetryAction and relocated new constants
* moving test files and inital refactoring * relayer extension host code * fix imports * make insights work * relayer dashboard * relayer notebooks * moveing more code around * formatting * accept angular as browser * fix serializer * add missing files * remove declarations from extensions * fix build errors * more relayering * change urls to relative to help code relayering * remove layering to prep for merge * fix hygiene errors * fix hygiene errors * fix tests