Quick setup — if you’ve done this kind of thing before

https://github.com/voyagersoft/test.git

…or create a new repository on the command line

echo "# test" >> README.md
git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/voyagersoft/test.git
git push -u origin master

…or push an existing repository from the command line

git remote add origin https://github.com/voyagersoft/test.git
git push -u origin master