chore: update blog layout and ignore local files

apps/public-web/app/(site)/blog/layout.tsx

@@ -0,0 +1,9 @@
+import type { ReactNode } from "react";
+
+export default function BlogLayout({ children }: { children: ReactNode }) {
+    return (
+        <section className="mx-auto max-w-6xl">
+            {children}
+        </section>
+    );
+}