[WIP] Add client-side code for Get Started page

*Note: This pull request is a work-in-progress.*

This PR adds the client-side code to the Get Started page to make it easy for developers to get started with a grid. I'll be committing code in batches. Each batch is listed below, so we can track the progress of the PR.

* [x] Add server-side input view rendering
* [ ] Add server-side output view rendering
* [ ] [YAF] Add Model and ModelList code
* [ ] [YAF] Add client-side router
* [ ] [YAF] Add client-side input view
* [ ] [YAF] Add client-side output view