Some more cleanups

README.md

notebooks/plot_mhd_equil.ipynb

setup.py

src/gvec_to_python/GVEC_functions.py

src/gvec_to_python/geometry/domain.py

src/gvec_to_python/reader/gvec_reader.py

...tcases/ellipstell/GVEC_ellipStell_State_0000_00010000.dat

...cases/ellipstell/GVEC_ellipStell_State_0000_00010000.json

...ellipstell/GVEC_ellipStell_modes_U0_LA__0000_00010000.csv

...ellipstell/GVEC_ellipStell_modes_U0_X1__0000_00010000.csv

...ellipstell/GVEC_ellipStell_modes_U0_X2__0000_00010000.csv

...ll/GVEC_ellipStell_profile_update_State_0000_00010000.dat

...l/GVEC_ellipStell_profile_update_State_0000_00010000.json

...ases/ellipstell/GVEC_ellipStell_visu_3D_0000_00010000.vtu

...ases/ellipstell/GVEC_ellipStell_visu_BC_0000_00000000.vtu

.../ellipstell/GVEC_ellipStell_visu_planes_0000_00010000.vtu

src/gvec_to_python/testcases/ellipstell/README.md

...D6_M6N6/GVEC_ELLIPSTELL_E1D6_M6N6_State_0000_00200000.dat

...python/testcases/ellipstell/newBC_E1D6_M6N6/parameter.ini

...D6_M6N6/GVEC_ELLIPSTELL_E4D6_M6N6_State_0001_00200000.dat