Add documentation for enabling C++ code formatting
Add documentation for enabling C++ code formatting

dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,amccaskey/DataTransferKit,dalg24/DataTransferKit,amccaskey/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,Rombur/DataTransferKit,Rombur/DataTransferKit,amccaskey/DataTransferKit,amccaskey/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit