RHL-021 feat(view): add ForbiddenPage and NotFound components for improved user navigation

app/(protected)/forbidden/page.jsx

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+import ForbiddenView from "@/components/system/ForbiddenView";
+
+export default function ForbiddenPage() {
+	return <ForbiddenView />;
+}

app/(protected)/not-found.jsx

@@ -0,0 +1,5 @@
+import NotFoundView from "@/components/system/NotFoundView";
+
+export default function NotFound() {
+	return <NotFoundView />;
+}