add code check

CMakeLists.txt

@@ -71,6 +71,17 @@ install(DIRECTORY launch config
   DESTINATION share/${PROJECT_NAME}
 )
 
+if(BUILD_TESTING)
+find_package(ament_lint_auto REQUIRED)
+# the following line skips the linter which checks for copyrights
+# uncomment the line when a copyright and license is not present in all source files
+#set (ament_cmake_copyright_FOUND TRUE)
+# the following line skips cpplint (only works in a git repo)
+# uncomment the line when this package is not in a git repo
+#set (ament_cmake_cpplint_FOUND TRUE)
+ament_lint_auto_find_test_dependencies()
+endif()
+
 ament_export_libraries(color_names)
 ament_export_include_directories(include)
-ament_package()
+ament_package()