Add *.Rproj for RStudio users
Add *.Rproj for RStudio users

RStudio - the only real R IDE, and an incredibly commonly used environment for R, particularly since it has git support - uses .Rproj files in projects, that follow the pattern projectname.Rproj. Adding *.Rproj to capture these and exclude them.
szymanskirafal/gitignore,chhsieh/gitTest_1,chhsieh/helloworld,bruennijs/ise.cppworkshop,szymanskirafal/gitignore,szymanskirafal/gitignore,bruennijs/ise.cppworkshop,bruennijs/ise.cppworkshop