Update README

Signed-off-by: Yadunund <[email protected]>

README.md

@@ -67,9 +67,6 @@ ros2 run demo_nodes_cpp listener
 The listener node should start receiving messages over the `/chatter` topic.
 > Note: Ignore all the warning printouts.
 
-### Graph introspection
-Presently we only support limited `ros2cli` commands to introspect the ROS graph such as `ros2 node list` and `ros2 topic list`.
-
 ## Config
 The [default configuration](rmw_zenoh_cpp/config/DEFAULT_RMW_ZENOH_SESSION_CONFIG.json5) sets up the zenoh sessions with the following main characteristics:
 
@@ -87,6 +84,7 @@ A custom configuration may be provided by setting the `RMW_ZENOH_CONFIG_FILE` en
 ## TODO Features
 - [x] Publisher
 - [x] Subscription
-- [ ] Client
-- [ ] Service
-- [ ] Graph introspection
+- [x] Client
+- [x] Service
+- [x] Graph introspection
+- [ ] Events