If you selected Y during dotnet new you can add your changes and push to github with:
git add .git commit -m "Here I describe my changes"git push
Otherwise do the following ONCE before using the steps above.
git initgit add .git commit -m "Initial Commit"sdg hubCreategit push -u origin HEAD
When you are complete with the project and have turned it in to your instructor, update README.md with details about the assignment.