Add aggregation map for traps

This also makes the first time I've done a Mapbox map within a web
component. It's not officially supported according to:

https://github.com/mapbox/mapbox-gl-js/issues/12796

but I found a codepen that had a working example:

https://codepen.io/keichan34/pen/ZEKqeEj?editors=1111

db/migrations/00033_h3cell_fieldseeker_traplocation.sql

@@ -0,0 +1,5 @@
+-- +goose Up
+ALTER TABLE fieldseeker.traplocation ADD COLUMN h3cell h3index GENERATED ALWAYS AS (h3_latlng_to_cell(geospatial, 15)) STORED;
+
+-- +goose Down
+ALTER TABLE fieldseeker.traplocation DROP COLUMN h3cell;