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/build/generate-routes-manifest.d.ts

@@ -0,0 +1,28 @@
+import type { NextConfigComplete } from '../server/config-shared';
+import type { CustomRoutes } from '../lib/load-custom-routes';
+import type { DynamicManifestRoute } from './utils';
+import type { RoutesManifest } from './index';
+export interface GenerateRoutesManifestOptions {
+    pageKeys: {
+        pages: string[];
+        app?: string[];
+    };
+    config: NextConfigComplete;
+    redirects: CustomRoutes['redirects'];
+    headers: CustomRoutes['headers'];
+    rewrites: CustomRoutes['rewrites'];
+    restrictedRedirectPaths: string[];
+    isAppPPREnabled: boolean;
+    appType: 'pages' | 'app' | 'hybrid';
+}
+export interface GenerateRoutesManifestResult {
+    routesManifest: RoutesManifest;
+    dynamicRoutes: Array<DynamicManifestRoute>;
+    sourcePages: Map<string, string>;
+}
+/**
+ * Generates the routes manifest from the given page keys and configuration.
+ * This function extracts the route manifest generation logic to be reusable
+ * across different build contexts (webpack build, turbopack build, analyze, etc.)
+ */
+export declare function generateRoutesManifest(options: GenerateRoutesManifestOptions): GenerateRoutesManifestResult;