fix: Upstash Rate Limiter

1) Fixed a few minor issues.
2) Used existing Shadcn components to       maintain UI consistency.
3) Implemented Upstash Rate Limiting and set up a Redis database to prevent spoofing(IP) and report spamming.

Author: YOGESH-08

package.json

@@ -30,6 +30,7 @@
     "@types/node": "^24.6.1",
     "@ungap/with-resolvers": "^0.1.0",
     "@upstash/ratelimit": "^2.0.5",
+    "@upstash/redis": "^1.33.0",
     "@vercel/kv": "^3.0.0",
     "axios": "^1.8.4",
     "canvas": "^3.2.0",