Replace raster OSM tiles with vector tiles

[aaronbrethorst]

There are a couple of seemingly free-to-use project that provides vector tiles based on underlying OSM map data. Vector has the advantage of offering greater styling capabilities and a more pleasant zooming experience, among other benefits. We should replace the existing raster OSM tiles with one of these.

Acceptance Criteria

• Research the two options below and figure out which one is best for our needs
• Implement support for the selected option

OpenFreeMap

Project home page: https://openfreemap.org
Snippet for usage with Leaflet: hyperknot/openfreemap#26

Tangram + Nextzen

Tangram: https://github.com/tangrams/tangram
Nextzen: https://developers.nextzen.org/about.html