code: def get_config(repo):
      
      files = get_files(repo)
      config = DEFAULT_CONFIG
      if "config.json" in files:
          # get the config file, parse JSON and merge it with the default config
          config_file = repo.get_file_contents('/config.json', ref="gh-pages")
          try:
              repo_config = json.loads(config_file.decoded_content.decode("utf-8"))
              config.update(repo_config)
          except ValueError:
              click.secho("WARNING: Unable to parse config file. Using defaults.", fg="yellow")
      return config
docs: Get the config for the repo, merged with the default config. Returns the default config if
      no config file is found.