Runs a Shiny app as demo or shows an overview of all Shiny demo apps related to a topic.
If more than one app relates to topic a list of apps is returned otherwise the app is run.
For more details see vignettes('demoShiny').
# collect all apps of loaded packages
demoShiny()
# collect all apps of the package demoShiny or with the name demoShiny
demoShiny('demoShiny')