* Remove extra file.
* Remove unneeded tsconfig.jsons.
* Add @/* alias for importing in-package files to all apps.
* Remove baseUrl from all apps except studio (it'll require changes in almost all files).
* Fix baseUrl issues in docs, ui-library and design-system.
* Fix the typecheck for cms app. Fix all baseUrl errors in the cms app.
* Add deprecated flag to baseUrl in www.