Want to reinforce what you just learned or try another way? Here are other resources for learning Git and GitHub.
Similar to Git-it, these are tutorials that you participate in.
Things to read or query.
You likely installed this before you started Git-it but if you didn't, here's the link.
The GitHub Desktop app lets you do much of what you can do in terminal (though not all) and is a bit easier to read at times. Personally, I use it to look over anything not small diff
I have. Your changes are really nice to see this way.