Fix: layout of the application

Feat: Create page for account Summary

src/app/(main)/accounts/layout.tsx

@@ -0,0 +1,56 @@
+"use client";
+import { Divider, Stack, Text } from '@mantine/core';
+import { usePathname } from 'next/navigation';
+import Link from 'next/link';
+import React from 'react';
+ 
+export default function Layout({ children }: { children: React.ReactNode }) {
+    const pathname = usePathname(); // get current route
+ 
+    const links = [
+        { label: "Account Summary", href: "/accounts" },
+        { label: "Statement of Account", href: "/accounts/account_statement" },
+    ];
+ 
+    return (
+        <div style={{ display: "flex", height: '100%' }}>
+            <div
+                style={{
+                    width: "15%",
+                    backgroundColor: '#c5e4f9',
+                    borderRight: "1px solid #ccc",
+                }}
+            >
+                <Stack style={{ background: '#228be6', height: '10%', alignItems: 'center' }}>
+                    <Text fw={700} fs="italic" c='white' style={{ textAlign: 'center', marginTop: '10px' }}>
+                        Accounts
+                    </Text>
+                </Stack>
+ 
+                <Stack gap="sm" justify="flex-start" style={{ padding: '1rem' }}>
+                    {links.map(link => {
+                        const isActive = pathname === link.href || pathname.startsWith(link.href + '/');
+                        return (
+                            <Text
+                                key={link.href}
+                                component={Link}
+                                href={link.href}
+                                c={isActive ? 'darkblue' : 'blue'}
+                                style={{
+                                    textDecoration: isActive ? 'underline' : 'none',
+                                    fontWeight: isActive ? 600 : 400,
+                                }}
+                            >
+                                {link.label}
+                            </Text>
+                        );
+                    })}
+                </Stack>
+            </div>
+ 
+            <div style={{ flex: 1, padding: '1rem' }}>
+                {children}
+            </div>
+        </div>
+    );
+}