Update src/app/page.tsx

Merge version_3 into main

src/app/page.tsx

@@ -188,6 +188,8 @@ export default function LandingPage() {
           id: "q2",          title: "Is it secure?",          content: "Yes, we use a secure escrow system for all transactions."},
         {
           id: "q3",          title: "How to start?",          content: "Simply sign up, list your livestock, and start trading."},
+        {
+          id: "q4",          title: "How do you handle Buyer/Seller Verification?",          content: "We perform a multi-step background check on every user, verifying identity and business credentials to ensure a safe trading environment."}
       ]}
       sideTitle="Questions?"
       sideDescription="Everything you need to know."