Provide menu for possible shiny demonstrations
Provides a menu to open one of the provided demonstrations which use shiny for animation.
demos()
User must have installed shiny prior to usage. As shiny has some dependencies that don't always work, this package is not a dependency of UsingR.
No return value, when called a web page opens. Use Ctrl-C (or equivalent) in terminal to return to an interactive session.
## demos()
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.