Add skeleton release notes and tentative version for WAFS update#2014

KateFriedman-NOAA merged 2 commits into

NOAA-EMC:release/gfs.v16.3.TBD_WAFSNOAA-EMC/global-workflow:release/gfs.v16.3.TBD_WAFSfrom

KateFriedman-NOAA:release/gfs.v16.3.TBD_WAFSKateFriedman-NOAA/global-workflow:release/gfs.v16.3.TBD_WAFSCopy head branch name to clipboard