tutorial_options: Set tutorial options
In PaulESantos/pftctutor: Interactive Tutorials for PFTC Courses data

Set various tutorial options that control the display and evaluation of exercises.

tutorial_options(
  exercise.cap = "Code",
  exercise.eval = FALSE,
  exercise.timelimit = 30,
  exercise.lines = NULL,
  exercise.checker = NULL,
  exercise.completion = TRUE,
  exercise.diagnostics = TRUE,
  exercise.startover = TRUE
)

`exercise.cap`	Caption for exercise chunk (defaults to `"Code")`.
`exercise.eval`	Whether to pre-evaluate the exercise so the reader can see some default output (defaults to `FALSE`).
`exercise.timelimit`	Number of seconds to limit execution time to (defaults to `30`).
`exercise.lines`	Lines of code for exercise editor (defaults to the number of lines in the code chunk).
`exercise.checker`	Function used to check exercise answers.
`exercise.completion`	Use code completion in exercise editors.
`exercise.diagnostics`	Show diagnostics in exercise editors.
`exercise.startover`	Show "Start Over" button on exercise.