fix local and preview config

www/app/lib/edgeConfig.ts

@@ -1,4 +1,15 @@
 import { get } from "@vercel/edge-config";
+import { isDevelopment } from "./utils";
+
+const localConfig = {
+  features: {
+    requireLogin: true,
+    privacy: true,
+    browse: true,
+  },
+  api_url: "http://127.0.0.1:1250",
+  auth_callback_url: "http://localhost:3000/auth-callback",
+};
 
 type EdgeConfig = {
   [domainWithDash: string]: {
@@ -23,7 +34,14 @@ export function edgeDomainToKey(domain: string) {
 
 // get edge config server-side (prefer DomainContext when available), domain is the hostname
 export async function getConfig(domain: string) {
-  const config = await get(edgeDomainToKey(domain));
+  if (isDevelopment()) {
+    return localConfig;
+  }
+
+  let config = await get(edgeDomainToKey(domain));
+  console.warn("No config for this domain, falling back to default");
+
+  config = await get(edgeDomainToKey("default"));
 
   if (typeof config !== "object") throw Error("Error fetchig config");