* change '/search/:keyword' to optional
* feat: add more info to description
* feat: add '/params/city' and '/params/style' for params look up
reason for adding this route:
it's hard to find route params in url, expecially in mobile mode, the
wap.showstasrt.com website url doesn't match the shows city and style
* chore: implement sortBy and uniqBy
* chore: move sortBy, uniqBy to utils