No this can not be added as that would be breaking the Mojang EULA Regulations

Just build up with blocks to reach places.

War is correct.

I think perhaps you should read though this statement by Mojang themselves as this will explain why.

https://mojang.com/2014/06/lets-talk-server-monetisation-the-follow-up-qa/

In case you somehow fail to be able to read that or didn't bother clicking like most forum users do.

I have highlighted it for you.

You will find this at the near bottom of the Mojang particle.