code: function staticConfig (projectPath, app) {
    if (!projectPath) throw new Error('project path is required for load static configs');
  
    // return configs if already is loaded
    if (app.staticConfigsIsLoad) return app.config;
  
    // - load and merge project configs
  
    let projectConfigFolder = app.projectConfigFolder;
  
    let files = [];
  
    try {
      files = fs.readdirSync(projectConfigFolder);
    } catch(e) {
      if (e.code != 'ENOENT') console.error('Error on load project config folder: ', e);
    }
  
    let file;
    for (let i = 0; i < files.length; i++) {
      if (files[i] == 'local.js') continue; // skip locals.js to load after all
      if (!files[i].endsWith('.js')) continue; // only accepts .js config files
  
      file = path.resolve(projectConfigFolder, files[i]);
      // skip dirs
      if (fs.lstatSync(file).isDirectory()) continue;
      _.merge(app.config, require(file));
    }
  
    let jsonConfiguration = staticConfig.readJsonConfiguration(projectConfigFolder);
    let localConfigFile = staticConfig.readLocalConfigFile(projectConfigFolder);
  
    // load project local config file
    _.merge(app.config, jsonConfiguration, localConfigFile);
  
    app.staticConfigsIsLoad = true;
  
    return app.config;
  }
docs: Get project static configs
  
  @param  {String} projectPath project path ( opcional )
  @return {Object}             configs