message: python wrapping for SmoothLine
diff: @@ -96,6 +96,9 @@ void python_geometry(py::module m) {
  m.def("ComputeCenterLine", &bark::geometry::ComputeCenterLine,
  "computes the center line.");
  + m.def("SmoothLine", &bark::geometry::SmoothLine,
  + "smoothes line using spline interpolation");
  +
  m.def("Collide", py::overload_cast<const Polygon&, const Point2d&>(&Collide),
  "Returns true if polygon and point2d collide.");
  