Open the target script file for editing.
Requires the usethis package.
tar_edit(script = targets::tar_config_get("script"))Character of length 1, path to the
target script file. Defaults to tar_config_get("script"),
which in turn defaults to _targets.R. When you set
this argument, the value of tar_config_get("script")
is temporarily changed for the current function call.
See tar_script(),
tar_config_get(), and tar_config_set() for details
about the target script file and how to set it
persistently for a project.
The target script file is an R code file
that defines the pipeline. The default path is _targets.R,
but the default for the current project
can be configured with tar_config_set()
Other scripts: 
tar_github_actions(),
tar_helper(),
tar_helper_raw(),
tar_renv(),
tar_script()