token_sale | Code Your Own Cryptocurrency & ICO on Ethereum | Tutorial | Cryptography library

thanks for taking your time to help me :)

I am trying to publish my HTML website however it does not allow me to use the master branch/ docs folder. Now I'm using my username in my link like this: https://djcinoj.github.io/token_sale/. I know it says that you cant use your username if you want to use the docs folder however a video that I have linked at the bottom from May 21, 2018, he can. I have been following this set of tutorial for the last 2 months and been doing exactly the same as him. Why can't I use my username and he can?

I expect to be able to use the docs folder which I have in my repository however its grayed out and I can't click it when I try to change my source. Maybe check my repository I have also added a link at the bottom. It could be that there is no way to do it. But what I'm trying to achieve is to lanuch the website maybe there is another way you can do it that the video does not show. By launching the website I mean that I can send the link to anyone and that person can use it.

Thanks so much for your help

Video: https://www.youtube.com/watch?v=Y-vsaoyuoww&index=16&list=PLS5SEs8ZftgWFuKg2wbm_0GLV0Tiy1R-n

Repository: https://github.com/DJCinoJ/token_sale

Picture of how my folder looks like in Atom