Click Create repository. At this point, the repository has one README.md file (a markdown file to store essential project information) and one commit, the initial commit that GitHub automatically ...

It doesn't pick and choose; you get the whole lot. You'll also get the README.md file which is used to create any text and instructions on the front page of the repo.

How to create submodules in GitHub The following list of steps will add Git submodule GitHub relationships between two repositories: Clone the parent or top-level repository. In the root of the parent ...