VTK output for ClimaCore fields for visualization with Paraview.

Use ClimaCoreVTK from the ClimaCore parent package

cd ClimaCore
julia --project

Activate the Pkg repl mode and dev the ClimaCoreVTK subpackge:

(ClimaCore) pkg> dev lib/ClimaCoreVTK

You can now use ClimaCoreVTK in your ClimaCore pkg environment:

julia> using ClimaCoreVTK
julia> writevtk(...)

Development of the ClimaCoreVTK subpackage

cd ClimaCore/lib/ClimaCoreVTK

# Add ClimaCore to subpackage environment
julia --project -e 'using Pkg; Pkg.develop(path="../../")'

# Instantiate ClimaCoreVTK project environment
julia --project -e 'using Pkg; Pkg.instantiate()'
julia --project -e 'using Pkg; Pkg.test()'