chore: add ros2 udp_teleop package and tools

tools/udp_server.py

@@ -0,0 +1,22 @@
+import socket
+
+# 创建 UDP socket
+server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+# 绑定地址和端口
+HOST = "0.0.0.0"
+PORT = 8888
+
+server.bind((HOST, PORT))
+
+print(f"UDP服务器正在监听 {HOST}:{PORT}")
+
+while True:
+    # 接收数据
+    data, addr = server.recvfrom(1024)
+
+    print(f"收到来自 {addr} 的消息: {data.decode()}")
+
+    # 回复客户端
+    reply = "服务器已收到"
+    server.sendto(reply.encode(), addr)