feat: chapt6

chapt2/ros2_cpp_node.cpp

@@ -0,0 +1,11 @@
+#include "rclcpp/rclcpp.hpp"
+
+int main(int argc, char **argv)
+{
+    rclcpp::init(argc, argv);
+    auto node = std::make_shared<rclcpp::Node>("cpp_node");
+    RCLCPP_INFO(node->get_logger(), "你好 C++ 节点！");
+    rclcpp::spin(node);
+    rclcpp::shutdown();
+    return 0;
+}