- add `CheckBox[For]()`, `Hidden[For]()`, `Password[For]()`, and
`RadioButton[For]()`
- also make `FormatValue()` visible to users, as it is in legacy MVC
- and spread the boxes out a bit in MyView 😺
Showcased a lot of the core pieces of Display in the sample. Some pieces are still missing such as DataType handling. The infrastructure is there to handle it in the TemplateRenderer but the model metadata providers do not construct the metadata with the data types.
- demonstrate `ModelMetadata` is available in a view
Also
- simplify `View()` overloads in `Controller`, pending #110 decisions
- make `Model` in `RazorView<T>` readonly