Added the target folder to gitignore.
Added the target folder to gitignore.

Signed-off-by: Jay Jay Billings <823bf6329bcacc9ee3ce8be53f88c13e0ec9f98a@ornl.gov>
IanMayo/january,IanMayo/january,yannick-mayeur/january,SmithRWORNL/january,yannick-mayeur/january,SmithRWORNL/january,IanMayo/january,IanMayo/january,yannick-mayeur/january,SmithRWORNL/january,yannick-mayeur/january