Add folder to project folders: Options>Directories>Projects: Add a semicolon after the default / whatever's in there already, then add <yourfolderpath>\ECEN2440-final-project/PCB
Set workspace to be <yourfolderpath>\ECEN2440-final-project. Go to file > import >Code Composer Studio > CCS projects. Hit Browse next to the Select search directory line, and navigate to the ECEN 2440 final project. You should see rocket-payload-code show up. Make sure that's checked off, then hit finish.