Added joint state transform

Author: oguzhanbzglu

setup.py

@@ -19,6 +19,7 @@
     license='Apache-2.0',
     entry_points={
         'console_scripts': [
+            'joint_states_relay = sr_ros2_python_utils.js_publisher:main'
         ],
     },
 )

sr_ros2_python_utils/js_publisher.py

@@ -0,0 +1,27 @@
+import rclpy
+from rclpy.node import Node
+from sensor_msgs.msg import JointState
+
+class JointStatesRelay(Node):
+    def __init__(self):
+        super().__init__('joint_states_relay')
+        self.subscription = self.create_subscription(
+            JointState,
+            '/ros1_joint_states',
+            self.joint_states_callback,
+            10
+        )
+        self.publisher = self.create_publisher(JointState, '/joint_states', 10)
+
+    def joint_states_callback(self, msg):
+        self.publisher.publish(msg)
+
+def main(args=None):
+    rclpy.init(args=args)
+    node = JointStatesRelay()
+    rclpy.spin(node)
+    node.destroy_node()
+    rclpy.shutdown()
+
+if __name__ == '__main__':
+    main()