Updated CSP Rules

Author: anugrahk21

frontend/next.config.ts

@@ -32,7 +32,7 @@ const nextConfig: NextConfig = {
           },
           {
             key: 'Content-Security-Policy',
-            value: "default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline' https://va.vercel-scripts.com; style-src 'self' 'unsafe-inline'; img-src 'self' blob: data:; font-src 'self' data:; connect-src 'self' https://*.vercel-analytics.com;"
+            value: "default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline' https://va.vercel-scripts.com; style-src 'self' 'unsafe-inline'; img-src 'self' blob: data:; font-src 'self' data:; connect-src 'self' https://*.vercel-analytics.com https://project-cerberus.onrender.com https://prod.spline.design;"
           }
         ]
       }