Create `_pkgslides.yml`
Arguments
- path
A file path to where you want the yaml file written. This should not end in a slash of any kind.
- format_theme
A length-one character vector of theme details
- format_functions
A named list of format function options
- format_datasets
A named list of format dataset options
- choose_functions
A list of file or function names
- choose_datasets
A vector of dataset names