code: function loadConfiguration () {
      if (!fs.existsSync(CONFIG_FILE)) {
          winston.info('No previous configuration found, creating one');
          fs.writeFileSync(CONFIG_FILE, fs.readFileSync(SAMPLE_FILE));
      }
  
      return yaml.safeLoad(fs.readFileSync(CONFIG_FILE));
  }
docs: Load user configuration (or create it)
  @method loadConfiguration
  @return {Object} Configuration