chore: Add new build and deployment scripts to package.json

- Introduced 'preview', 'deploy', and 'upload' scripts for OpenNext.js Cloudflare integration.
- Added 'cf-typegen' script for generating TypeScript types from Cloudflare environment interface.

Author: codergautam

.dev.vars

@@ -0,0 +1 @@
+NEXTJS_ENV=development

open-next.config.ts

@@ -0,0 +1,6 @@
+import { defineCloudflareConfig } from "@opennextjs/cloudflare";
+import r2IncrementalCache from "@opennextjs/cloudflare/overrides/incremental-cache/r2-incremental-cache";
+ 
+export default defineCloudflareConfig({
+  incrementalCache: r2IncrementalCache,
+});

package.json

@@ -10,7 +10,13 @@
     "start-api": "cross-env  NODE_ENV=production node server.js",
     "start-ws": "cross-env UWS_HTTP_MAX_HEADERS_SIZE=16384 NODE_ENV=production node ws/ws",
     "start-cron": "cross-env NODE_ENV=production node cron.js",
-    "heroku-postbuild": "cross-env  next build"
+    "heroku-postbuild": "cross-env  next build",
+
+    "preview": "opennextjs-cloudflare build && opennextjs-cloudflare preview",
+"deploy": "opennextjs-cloudflare build && opennextjs-cloudflare deploy",
+"upload": "opennextjs-cloudflare build && opennextjs-cloudflare upload",
+"cf-typegen": "wrangler types --env-interface CloudflareEnv cloudflare-env.d.ts",
+
   },
   "dependencies": {
     "@googlemaps/js-api-loader": "^1.16.6",