Jeniffen Chandrabalan

Integrate `dir_tree()` from fs package, in order to visualize current folder structure

Check whether or not current directory is a git directory, in order to decide if new folder should be created

Check to what extend determining project environment with here package is more stable than just assumin "./" being project root.

Check if .Rproj file exists. If not, create project folder and provide root file

Check if folders already exists when setting up project and povide warning to user