initial work on exchanges page

apps/web/src/features/exchanges/ExchangesPage.tsx

@@ -0,0 +1,16 @@
+import { ExchangesTable } from './components/ExchangesTable';
+
+export function ExchangesPage() {
+  return (
+    <div className="space-y-6">
+      <div>
+        <h1 className="text-lg font-bold text-text-primary mb-2">Exchange Management</h1>
+        <p className="text-text-secondary text-sm">
+          Configure and manage master exchanges with their data sources and providers.
+        </p>
+      </div>
+
+      <ExchangesTable />
+    </div>
+  );
+}