Update .gitignore and .Rbuildignore with projr-managed ignores
projr_ignore_auto.RdThe projr_ignore_auto()function updates the project’s.gitignoreand.Rbuildignore` files to reflect directories and files managed by
projr, as well as
other directories and files that should
clearly be ignored.
They are kept up-to-date with the project's configuration,
and are written within a demarcated section of the file.