message: feat(map): change default options in map creation
diff: +import { MARKERS } from '../../data/markers';
  import { parseQueryString } from './query-string';
  +const average = (arr: Array<number>) =>
  + arr.reduce((acc, curr) => acc + curr) / arr.length;
  +
  export const createGoogleMap = (ref: HTMLDivElement): google.maps.Map => {
  const query = parseQueryString();
  return new google.maps.Map(ref, {
  zoom: query.map ? query.map.zoom : 3,
  - center: query.map ? query.map.pos : { lat: 0, lng: 0 },
  + center: query.map
  + ? query.map.pos
  + : {
  + lat: average(MARKERS.map(m => m.loc.lat)),
  + lng: average(MARKERS.map(m => m.loc.lng)),
  + },
  mapTypeId: google.maps.MapTypeId.ROADMAP,
  streetViewControl: false,
  clickableIcons: false,
  