feat: New @ohif/viewer project structure + routes (#1674)

* fix pagination size

* clean up, start a very basic route configuration

* quick navigation between routes

* configure webpack to read .env variables

* Move container components to Routes directory

* Fix naming of recipe file

* Clean up source folder

* update yarn.lock

* ci: update netlify deploy preview to build viewer project

* update PWA entrypoint to pass configuration on window to App as props

* fix: for missing key

* Pass routerBasename to our React Router component

* Simplify config for meow

Co-authored-by: dannyrb <danny.ri.brown@gmail.com>

platform/viewer/cypress/fixtures/example.json

@@ -1,5 +0,0 @@
-{
-  "name": "Using fixtures to represent data",
-  "email": "hello@cypress.io",
-  "body": "Fixtures are a great way to mock data for responses to routes"
-}