Adding cases prepared in the exaFOAM project

See merge request committees/hpc!5

# Conflicts:
#   README.md

Cavity updates

See merge request committees/hpc!4

Update HPC_motorbike/Large/v1912/0.org/include/fixedInlet, HPC_motorbike/Large/v1912/0.org/include/frontBackUpperPatches, HPC_motorbike/Large/v1912/0.org/include/initialConditions, HPC_motorbike/Large/v1912/0.org/U, HPC_motorbike/Large/v1912/0.org/U.orig, HPC_motorbike/Large/v1912/0.org/k, HPC_motorbike/Large/v1912/0.org/nut, HPC_motorbike/Large/v1912/0.org/omega, HPC_motorbike/Large/v1912/0.org/p, HPC_motorbike/Large/v1912/constant/triSurface/README, HPC_motorbike/Large/v1912/constant/triSurface/motorBike.eMesh, HPC_motorbike/Large/v1912/constant/triSurface/motorBike.obj.gz, HPC_motorbike/Large/v1912/constant/transportProperties, HPC_motorbike/Large/v1912/constant/turbulenceProperties, HPC_motorbike/Large/v1912/system/blockMeshDict, HPC_motorbike/Large/v1912/system/controlDict, HPC_motorbike/Large/v1912/system/decomposeParDict, HPC_motorbike/Large/v1912/system/fvSchemes, HPC_motorbike/Large/v1912/system/fvSolution, HPC_motorbike/Large/v1912/system/meshQualityDict, HPC_motorbike/Large/v1912/system/mirrorMe...