Fixed vercel.json. Added DELETE in Allowed Methods header

Author: SomajitDey

api/index.js

@@ -14,7 +14,7 @@ const fastify = Fastify({
 fastify.addHook('onRequest', (request, reply, done) => {
     reply.headers({
         'Access-Control-Allow-Origin': '*',
-        'Access-Control-Allow-Methods': 'GET,POST'
+        'Access-Control-Allow-Methods': 'GET,POST,DELETE'
     })
     done();
 })

vercel.json

@@ -3,9 +3,7 @@
   "devCommand": null,
   "framework": null,
   "installCommand": "npm install",
-  "nodeVersion": "20.x",
   "outputDirectory": null,
-  "rootDirectory": null,
   "trailingSlash": false,
   "redirects": [
     {