uploadFiles = (path, files, dbPath, options) =>
    storageActions.uploadFiles(dispatch, firebase, {
      path,
      files,
      dbPath,
      options
    })
Upload multiple files to Firebase Storage with the option
to store their metadata in Firebase Database.
@param {string} path - Path to location on Firebase which to set
@param {Array} files - Array of File objects to upload (usually from
a select-file or a drag/drop `onDrop`)
@param {string} dbPath - Database path to place uploaded files metadata.
@param {object} options - Options
@param {string} options.name - Name of the file
@returns {Promise} Containing an array of File objects
@see https://react-redux-firebase.com/docs/api/firebaseInstance.html#uploadfiles