updated resource.ts and backend.ts for multiple buckets in our infra-gen2 stack

Author: ekjotmultani

infra-gen2/backends/storage/main/amplify/storage/resource.ts

@@ -1,7 +1,25 @@
 import { defineStorage } from "@aws-amplify/backend";
 
-export const storage = defineStorage({
-  name: "Storage Integ Test main",
+export const firstBucket = defineStorage({
+  name: "Storage Integ Test main bucket",
+  isDefault: true,
+  access: (allow) => ({
+    "public/*": [
+      allow.guest.to(["read", "write", "delete"]),
+      allow.authenticated.to(["read", "delete", "write"]),
+    ],
+    "protected/{entity_id}/*": [
+      allow.authenticated.to(["read"]),
+      allow.entity("identity").to(["read", "write", "delete"]),
+    ],
+    "private/{entity_id}/*": [
+      allow.entity("identity").to(["read", "write", "delete"]),
+    ],
+  }),
+});
+
+export const secondBucket = defineStorage({
+  name: "Storage Integ Test secondary bucket",
   access: (allow) => ({
     "public/*": [
       allow.guest.to(["read", "write", "delete"]),