message: Add documentation for `<Quaternion as Rotation<Point3<S>>>::rotate_vector`. Fixes
diff: @@ -729,6 +729,9 @@ impl<S: BaseFloat> Rotation<Point3<S>> for Quaternion<S> {
  Quaternion::from_sv(k + k_cos_theta, a.cross(b)).normalize()
  }
  + /// Evaluate the conjugation of `vec` by `self`.
  + ///
  + /// Note that `self` should be a unit quaternion (i.e. normalized) to represent a 3D rotation.
  #[inline]
  fn rotate_vector(&self, vec: Vector3<S>) -> Vector3<S> {
  self * vec
  