openPMD: ParaView Helper File

[ax3l]

For ideal usage for ParaView, you could create a little helper file with all openPMD series:

note: needs a helper text file ending on .pmd containing a line with the openPMD-api Series filename, e.g. "data_%T.bp"

Refs.:

• https://github.com/openPMD/openPMD-projects#data-processing-and-visualization
• https://gitlab.kitware.com/paraview/paraview/-/blob/v5.9.1/Wrapping/Python/paraview/algorithms/openpmd.py#L119-126

Implementation example: https://github.com/ECP-WarpX/WarpX/blob/0f4b2e9fd02bf7b94bf533b310e6947f88d8aba5/Source/Diagnostics/WarpXOpenPMD.cpp#L381-L391

cc @franzpoeschel @psychocoderHPC @BeyondEspresso