[PN-126] Update readme

spot_driver/README.md

@@ -1,6 +1,15 @@
 # spot_driver
 
-This package provides ROS 2 nodes to interact with Spot through its C++ SDK.
+This package provides ROS 2 nodes to interact with Spot through its SDK.
+
+## Why Python?
+Being known for it's ease of use and flexibility, the Spot Python SDK is used for many operations.
+There are several entry points, though it is recommended to use the provided launch files.
+
+- `spot_ros2` is the node used to connect to the spot and creates ROS 2 action servers and services.
+- `command_spot` provides a command line interface with ROS 2 clients to send simple commands.
+- `spot_publish_cameras` publishes camera images from spot cameras to ROS topics.
+> :warning: **Warning:** For performance reasons, `spot_publish_cameras` is being rewritten in C++.
 
 ## Why C++?