Convert a project name to a directory path.
Examples
projectDirectory('test project',getwd())
#> [1] "/home/runner/work/projecttemplates/projecttemplates/docs/reference/test_project"
Convert a project name to a directory path.
projectDirectory('test project',getwd())
#> [1] "/home/runner/work/projecttemplates/projecttemplates/docs/reference/test_project"