A Github repository is basically a folder designed to store files. It is also available online for anyone to download, access, and contribute to the files/code within the folder.

GitHub’s ‘upload file’ feature is rolling out over the next few days, so look for it next time you’re adding to a repository. Upload files to your repositories [GitHub] ...

Gemini's latest integration lets coders upload an entire Github repository so they don't have to dig through thousands of files alone ...