docs: function loadConfig(config, env) {
      env = env || ''; // default as empty
      //resolve for absolute path of config file
      let configPath = path.resolve(app.path, 'app/config', env, config);
      //path is exist return the path else give a false flag
  
      let pacc = Utilities.tryInvoke(function () {
          return require(configPath);
      });
      return pacc;
  }