refactor: route storeOriginal through fsutil.WriteFileAtomic (iss-79)#51

REPPL merged 2 commits into

mainREPPL/abcd-cli:mainfrom

fix/iss-79-storeoriginal-inline-atomic-writeREPPL/abcd-cli:fix/iss-79-storeoriginal-inline-atomic-writeCopy head branch name to clipboard