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/next/dist/server/ReactDOMServerPages.js

@@ -0,0 +1,16 @@
+"use strict";
+let ReactDOMServer;
+try {
+    // TODO: Use Node.js build unless we're in an Edge runtime.
+    ReactDOMServer = require('react-dom/server.edge');
+} catch (error) {
+    if (error.code !== 'MODULE_NOT_FOUND' && error.code !== 'ERR_PACKAGE_PATH_NOT_EXPORTED') {
+        throw error;
+    }
+    // In React versions without react-dom/server.edge, the browser build works in Node.js.
+    // The Node.js build does not support renderToReadableStream.
+    ReactDOMServer = require('react-dom/server.browser');
+}
+module.exports = ReactDOMServer;
+
+//# sourceMappingURL=ReactDOMServerPages.js.map