… grid cells only

…e to the default interpolation choice.

Pulling changes from main into working branch for cleaning up the codebase

…onstructors), adding plastic amount to particlesets. Cleaning up kernel names, and adding an ipynb for testing these changes (PlasticParcels_cleanup)

…o read in a .json settings file, and creating a script to create the land/coast masks (instead of an ipynb)

Following python convention to use lowercase for package names

…s_evs

Based on version from virtual_ship

…les to a JITParticle instance

…/OceanParcels/PlasticParcels into code_cleanup_and_standardisation

Add GitHub Action for unittesting CI