also available on: https://github.com/leBluem/io_import_accsv
Edit2 Jan 2024: If you have problems installing, remove those folders and try again:
c:\Blender\3.1\scripts\addons\io_import_accsv\
c:\Users\yourUser\AppData\Roaming\Blender Foundation\Blender\3.1\scripts\addons\io_import_accsv\...