message: Generate self-.gitignore as part of pkg folder
diff: @@ -18,6 +18,7 @@ pub fn create_pkg_dir(out_dir: &Path, step: &Step) -> Result<(), failure::Error>
  let msg = format!("{}Creating a pkg directory...", emoji::FOLDER);
  PBAR.step(step, &msg);
  fs::create_dir_all(&out_dir)?;
  + fs::write(out_dir.join(".gitignore"), "*")?;
  Ok(())
  }
  