If you are using Git as your version control system, you need a .gitignore file to keep all of those user specific files out of Git like the bin/obj directories. You could manually create and configure the .gitignore file but why do it yourself when others have already done it for you. A quick search and you will run across the gitignore repo where you could download a premade file but what about if you had a tool to do this for you?
With the release of .NET Core 2.1 the .NET Core CLI includes a feature called Global Tools that provides a simple way to create and share cross-platform console tools. When you install a global tool, the CLI will download a special NuGet package that contains a console application and make your console tool available as a new command from the command line. Note: You will need to download .NET Core 2.