These functions enable you to determine whether code is being run in the
presence of various features of the RStudio IDE and other Posit products.
using_rstudio() determines whether code is being run in
RStudio
using_rstudio_jobs() determines whether code is running as
an RStudio Job
using_rstudio_dark_theme() determines whether a dark theme is
being used
using_posit_connect() checks whether Posit Connect
is being used