Oké, értem. Szóval nem forkoltam.

git add nem volt előtte tudtommal. Már nem is hozható vissza, amit eddig munkálkodtam vele?

Megcsináltam, amit a tutorial videóban mondott, de nem nagyon engedi.
add upstream megvolt majd:

~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git status
On branch gyorgy2CV
nothing to commit, working tree clean
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git remote
origin
posquit0
upstream
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git fetch upstream
From https://github.com/gyorgy2/Awesome-CV
* [new branch] master -> upstream/master
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git status
On branch gyorgy2CV
nothing to commit, working tree clean
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git add index.html
fatal: pathspec 'index.html' did not match any files
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git add
Nothing specified, nothing added.
Maybe you wanted to say 'git add .'?
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git add .
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git status
On branch gyorgy2CV
nothing to commit, working tree clean
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git remote
origin
posquit0
upstream
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git commit -m "commit test"
On branch gyorgy2CV
nothing to commit, working tree clean
~\Documents\GitHub\Awesome-CV [gyorgy2CV]> git push origin upstream
error: src refspec upstream does not match any.
error: failed to push some refs to 'https://github.com/nitrogl/Awesome-CV.git'