You can set up an empty repository by adding a README file.

  1. On GitHub Enterprise, navigate to the main page of the empty repository.
  2. Link to create a README file in an empty repository
    To add a README file, under "Quick setup," click README.
  3. new content in new README file
    In the new file editor window, add your README content. For more information on crafting a README, see "About READMEs."

  4. Commit message for your change
    At the bottom of the page, type a short, meaningful commit message that describes the change you made to the file.

  5. Commit branch options
    Below the commit message fields, decide whether to add your commit to the current branch or to a new branch. If your current branch is master, you should choose to create a new branch for your commit and then create a pull request.

  6. Propose new file button
    Click Propose new file.

Further reading