AR6_and_CMIP5

This release can also process data form project CMIP5, while being still applicable to AR6 work on CMIP6

Preliminary version for FGD

pre_AR6_FGD

add notebook 'basic' and a joj for that; add job for selecting data

CAMMAC pre-release for first AR6 FGD

Release created In order to provide a first formal release that can be quoted using a Zenodo reference.
The documentation is yet incomplete (and may be erroneous at some points)
This release was used for creating a number of AR6 chapter 8 CMIP6 based figures