Brief description of changes.
What problem does this pull requests solve? Reference related issues if appropriate.
- Tapping on a marker on the map displays information about the marker in a popup.
- Tapping the "Show list of locations" button replaces the map view with a list view.
- Tapping an item in the list replaces the list view with a map view, and navigates the map to the tapped item on the map.
- Tapping one of the ✅'s in the legend filters items on the map and in the list.
- Chrome
- Firefox
- Edge
- Safari