Only the default name .venv is excluded

This is usefull to generate sections in BLASTER by identifying upper and lower sides

Avoid modifying install path if the project is a submodule. In that case, installation is handled by the top project.

fix std::vector<double> problem with SWIG 4.2.x

See merge request !10

fix missing dll path for os.add_dll_directory + print debug info

See merge request !9

upgrade docker image (vtk9)

See merge request !8