Starting to implement GPX visualization.

src/workers/dispatcher-worker.ts

@@ -1,10 +1,22 @@
 import { initDb } from '../db';
-import { putNewGpx, existsGpx, pruneAndSaveImportedGpx } from '../db/gpx';
+import {
+  putNewGpx,
+  existsGpx,
+  pruneAndSaveImportedGpx,
+  getGpxesForViewport,
+} from '../db/gpx';
 import { putNewTrk } from '../db/trk';
 
 const self = globalThis as unknown as SharedWorkerGlobalScope;
 
-const actions = { initDb, putNewGpx, putNewTrk, existsGpx, pruneAndSaveImportedGpx };
+const actions = {
+  initDb,
+  putNewGpx,
+  putNewTrk,
+  existsGpx,
+  pruneAndSaveImportedGpx,
+  getGpxesForViewport,
+};
 
 self.onconnect = function (e) {
   var port = e.ports[0];