message: Update README.md
  fixed the description for open3D example.
diff: @@ -89,7 +89,7 @@ For more details about the SDK check the links below:
  <tr>
  <td rowspan="2">showPointCloud</td>
  <td><a href="https://github.com/analogdevicesinc/aditof_sdk/tree/master/bindings/python/examples/showPointCloud"> Python with Open3D </a></td>
  - <td rowspan="2">A simple object detection example</td>
  + <td rowspan="2">A basic example that displays a pointcloud built using the Open3D library and the data provided by the Aditof SDK </td>
  </tr>
  <tr>
  <td><a href="https://github.com/analogdevicesinc/aditof_sdk/tree/master/bindings/open3D/showPointCloud"> C++ with Open3D </a></td>
  