Add a sheet into an xlsx worksheet.
Details
read_xlsx() returns a workbook that already contains one default
sheet shipped with the template (named "Sheet1" or "Feuil1"
depending on the locale). add_sheet() is purely additive: the
default sheet is kept as-is. Remove it explicitly with
sheet_remove() if it is not wanted.
Examples
my_ws <- read_xlsx()
my_pres <- add_sheet(my_ws, label = "new sheet")
