uses map with elevation for edit mode

web/src/routes/api/v1/valhalla/+server.ts

@@ -0,0 +1,16 @@
+import { error, json, type RequestEvent } from "@sveltejs/kit";
+import { env } from '$env/dynamic/public'
+
+
+export async function POST(event: RequestEvent) {
+    const data = await event.request.json()
+    if(!env.PUBLIC_VALHALLA_URL) {
+        return error(400, "PUBLIC_VALHALLA_URL not set")
+    }
+    try {
+        const r = await event.fetch(env.PUBLIC_VALHALLA_URL + '/route', data);
+        return json(r);
+    } catch (e: any) {
+        throw error(e.status, e)
+    }
+}