earcut on a worker!! (#85)

* bump geoarrow js

* build worker with esbuild

* working earcut worker!

* time earcut

* wip

* finish docstring

* remove esbuild

Author: kylebarron

examples/polygon/app.tsx

@@ -10,7 +10,7 @@ const GEOARROW_POLYGON_DATA = "http://localhost:8080/utah.feather";
 const INITIAL_VIEW_STATE = {
   latitude: 40.63403641639511,
   longitude: -111.91530172951025,
-  zoom: 11,
+  zoom: 9,
   bearing: 0,
   pitch: 0,
 };
@@ -53,10 +53,13 @@ function Root() {
       new GeoArrowSolidPolygonLayer({
         id: "geoarrow-polygons",
         data: table,
-        getFillColor: [0, 100, 60, 160],
+        getFillColor: [0, 100, 60, 255],
         pickable: true,
         autoHighlight: true,
-      })
+        earcutWorkerUrl: new URL(
+          "https://cdn.jsdelivr.net/npm/@geoarrow/[email protected]/dist/earcut-worker.min.js",
+        ),
+      }),
     );
 
   return (