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/esm/client/app-find-source-map-url.js

@@ -0,0 +1,22 @@
+const basePath = process.env.__NEXT_ROUTER_BASEPATH || '';
+const pathname = `${basePath}/__nextjs_source-map`;
+export const findSourceMapURL = process.env.NODE_ENV === 'development' ? function findSourceMapURL(filename) {
+    if (filename === '') {
+        return null;
+    }
+    if (filename.startsWith(document.location.origin) && filename.includes('/_next/static')) {
+        // This is a request for a client chunk. This can only happen when
+        // using Turbopack. In this case, since we control how those source
+        // maps are generated, we can safely assume that the sourceMappingURL
+        // is relative to the filename, with an added `.map` extension. The
+        // browser can just request this file, and it gets served through the
+        // normal dev server, without the need to route this through
+        // the `/__nextjs_source-map` dev middleware.
+        return `${filename}.map`;
+    }
+    const url = new URL(pathname, document.location.origin);
+    url.searchParams.set('filename', filename);
+    return url.href;
+} : undefined;
+
+//# sourceMappingURL=app-find-source-map-url.js.map