code: function _createConfig(){
          let file = repositoryPath + '/config.json';
          let config = {
              simulation: false
          };
          return new Promise(function(resolve, reject) {
              jsonfile.writeFile(file, config, function (err) {
                  if(err){
                      reject(err);
                      return;
                  }
                  resolve();
              });
  
          });
      }
docs: Create the config file inside the repository
  @method _createManifest
  @returns {Promise}