lib/classes/Utils.js/Utils/readFileSync
class Utils:  readFileSync(filePath) {
    let contents;

    // Read file
    contents = fse.readFileSync(filePath);

    // Auto-parse JSON
    if (filePath.endsWith('.json')) {
      contents = JSON.parse(contents);
    } else if (filePath.endsWith('.yml') || filePath.endsWith('.yaml')) {
      contents = YAML.load(contents.toString(), { filename: filePath });
    } else {
      contents = contents.toString().trim();
    }

    return contents;
  }