Add precipitation hydrometeors in JEDI

[jianjunj]

Precipitation hydrometeors rain, snow, and graupel are already added as state and control variables to assimilate AMSUA and ATMS radiance observations in all-sky conditions in GFS. However, they are yet configured in JEDI/UFO. This issue is going to document the JEDI/UFO configurations of AMSUA and ATMS observations, and following evaluations of analysis increments in FV3-JEDI.