1.9.0

• Adjusted Quarto margins in _quarto.yml

• Added ?quickstart rdev Quick Start guide to creating a new rdev or analysis package and updated related functions (create_github_repo(), init(), setup_analysis()) and README

• Added function setup_rdev(): set up an rdev package for traditional package development

• Added function open_files(): open a standard set of files for editing in RStudio

• setup_analysis() and setup_rdev() now call open_files() if running in RStudio