feat: add notifications page and update navigation to redirect notifications to a dedicated route

src/app/investor/withdraw/page.tsx

@@ -108,9 +108,9 @@ export default function InvestorWithdrawPage() {
   };
 
   return (
-    <div className="min-h-screen lg:pt-6 pt-0">
+    <div className="min-h-screen lg:pt-6 pt-0 ">
       <InvestorNotification isMobile />
-      <div className="pt-18 lg:pt-0 p-4 lg:p-6 max-w-8xl mx-auto">
+      <div className="pt-18 lg:pt-0 p-4 lg:p-6 max-w-8xl mx-auto mb-12 lg:mb-0">
         {/* Header */}
         <div className="mb-6 flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
           <div>