Files to be installed on user's computer. Everything in app_dir plus
file_list. For more information, visit [Files] section.
files(iss, app_dir, file_list = character())Character vector which cummulatively becomes an Inno Setup Script (ISS).
Shiny app's directory, defaults to getwd().
Character vector. Extra files to be installed with the app.
Chainable character vector, which can be used as the text argument of writeLines to generate an ISS.