Merge branch 'new_features' into 'main'

docs/examples/howto_meshlib/plot_meshlib_pyvista_input.py

docs/examples/howto_meshlib/plot_meshlib_vtu_input.py

docs/examples/howto_meshplotlib/plot_animation.py

docs/examples/howto_meshplotlib/plot_aspect_ratios.py

docs/examples/howto_meshplotlib/plot_meshplotlib_2d.py

docs/examples/howto_meshplotlib/plot_special.py

ogstools/meshlib/mesh_series.py

ogstools/meshplotlib/__init__.py

ogstools/meshplotlib/animation.py

ogstools/meshplotlib/core.py

ogstools/meshplotlib/plot_setup.py

ogstools/meshplotlib/plot_setup_defaults.py

ogstools/physics/nuclearwasteheat/nuclearwaste.py

ogstools/propertylib/presets.py

pyproject.toml

tests/test_meshplotlib.py