The link to the rclcpp API for humble, as mentioned in the README file, is incorrect.

API used to be at https://docs.ros2.org/latest/api/ but now is at https://docs.ros.org/en/humble/p/.

I was going to create a pull request to correct the link, but actually the better fix would probably be that https://docs.ros2.org/latest/api/ actually points to the latest api. But I don´t know where to file an issue for that.