feat(blog): add file-based blog with dynamic slugs, MDX content and layout shell

- Introduced blog routing using Next.js App Router
- Implemented dynamic [slug] pages for blog posts
- Added MDX-based content loading via lib/posts
- Integrated shared TopBar layout with navigation
- Established clear content, lib and component separation

apps/public-web/node_modules/react/cjs/react-jsx-dev-runtime.production.js

@@ -0,0 +1,14 @@
+/**
+ * @license React
+ * react-jsx-dev-runtime.production.js
+ *
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+"use strict";
+var REACT_FRAGMENT_TYPE = Symbol.for("react.fragment");
+exports.Fragment = REACT_FRAGMENT_TYPE;
+exports.jsxDEV = void 0;