message: Fix typo in the HERE vector tile example.
  The example was referencing the symbol `mapView` instead of `map`
  when installing the copyright info handler.
diff: @@ -72,7 +72,7 @@ export namespace DatasourceHEREVectorTileExample {
  // snippet:harp_gl_datasource_here_vector_tile_example_2.ts
  - CopyrightElementHandler.install("copyrightNotice", mapView);
  + CopyrightElementHandler.install("copyrightNotice", map);
  const mapControls = new MapControls(map);
  mapControls.maxTiltAngle = 50;
  @@ -93,6 +93,7 @@ export namespace DatasourceHEREVectorTileExample {
  return map;
  }
  + function main() {
  const mapView = initializeMapView("mapCanvas");
  // snippet:harp_gl_datasource_here_vector_tile_example_4.ts
  @@ -113,3 +114,6 @@ export namespace DatasourceHEREVectorTileExample {
  mapView.addDataSource(omvDataSource);
  // end:harp_gl_datasource_here_vector_tile_example_5.ts
  }
  +
  + main();
  +}
  