update pt1

CMakeLists.txt

@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 3.5)
+project(lidarProject)
+
+# Find ROS 2 dependencies
+find_package(ament_cmake REQUIRED)
+find_package(rclcpp REQUIRED)
+find_package(std_msgs REQUIRED)
+find_package(visualization_msgs REQUIRED)
+
+# Add executable files
+add_executable(publisher_node src/publisher_node.cpp)
+add_executable(subscriber_node src/subscriber_node.cpp)
+
+# Link executables with ROS 2 libraries
+ament_target_dependencies(publisher_node rclcpp std_msgs)
+ament_target_dependencies(subscriber_node rclcpp std_msgs visualization_msgs)
+
+# Install executables
+install(TARGETS
+  publisher_node
+  subscriber_node
+  DESTINATION lib/${PROJECT_NAME})
+
+ament_package()