Correct the ROS and Fortress bridge (#430)

* Correct the ROS and Fortress bridge

* Update fortress/ros2_integration.md


---------

Signed-off-by: Mohammadreza Beygifard <[email protected]>
Co-authored-by: Addisu Z. Taddese <[email protected]>

fortress/ros2_integration.md

@@ -4,9 +4,9 @@ In this tutorial we will learn how to Integrate ROS 2 with Ignition. We will est
 communication between them. This can help in many aspects; we can receive data or commands
 from ROS and apply it to Ignition and vice versa.
 
-## ros_ign_bridge
+## ros_gz_bridge
 
-`ros_ign_bridge` provides a network bridge which enables the exchange of messages between ROS 2 and Ignition Transport. Its support is limited to only certain message types. Please, check this [README](https://github.com/ignitionrobotics/ros_ign/blob/ros2/ros_gz_bridge/README.md) to verify if your message type is supported by the bridge.
+`ros_gz_bridge` provides a network bridge which enables the exchange of messages between ROS 2 and Ignition Transport. Its support is limited to only certain message types. Please, check this [README](https://github.com/gazebosim/ros_gz/blob/ros2/ros_gz_bridge/README.md) to verify if your message type is supported by the bridge.
 
 Example uses of the bridge can be found in [`ros_gz_sim_demos`](https://github.com/gazebosim/ros_gz/tree/ros2/ros_gz_sim_demos), including demo launch files with bridging of all major actuation and sensor types.
 
@@ -23,10 +23,10 @@ We can initialize a bidirectional bridge so we can have ROS as the publisher and
 For example:
 
 ```
-ros2 run ros_ign_bridge parameter_bridge /scan@sensor_msgs/msg/[email protected]
+ros2 run ros_gz_bridge parameter_bridge /TOPIC@ROS_MSG@IGN_MSG
 ```
 
-The `ros2 run ros_ign_bridge parameter_bridge` command simply runs the `parameter_bridge` code from the `ros_ign_bridge` package. Then, we specify our topic `/TOPIC` over which the messages will be sent. The first `@` symbol delimits the topic name from the message types. Following the first `@` symbol is the ROS message type.
+The `ros2 run ros_gz_bridge parameter_bridge` command simply runs the `parameter_bridge` code from the `ros_gz_bridge` package. Then, we specify our topic `/TOPIC` over which the messages will be sent. The first `@` symbol delimits the topic name from the message types. Following the first `@` symbol is the ROS message type.
 
 The ROS message type is followed by an `@`, `[`, or `]` symbol where:
 
@@ -59,7 +59,7 @@ at which the `Key Publisher` plugin sends messages and also the type
 of the messages as follows:
 
 ```
-ros2 run ros_ign_bridge parameter_bridge /keyboard/keypress@std_msgs/msg/[email protected]
+ros2 run ros_gz_bridge parameter_bridge /keyboard/keypress@std_msgs/msg/[email protected]
 ```
 
 We started a bridge on `/keyboard/keypress` topic with message of type `Int32`.