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/lib/dev-bundler-service.d.ts

@@ -0,0 +1,31 @@
+import type { IncomingMessage } from 'http';
+import type { DevBundler } from './router-utils/setup-dev-bundler';
+import type { WorkerRequestHandler } from './types';
+import { LRUCache } from './lru-cache';
+import { type HmrMessageSentToBrowser, type NextJsHotReloaderInterface } from '../dev/hot-reloader-types';
+/**
+ * The DevBundlerService provides an interface to perform tasks with the
+ * bundler while in development.
+ */
+export declare class DevBundlerService {
+    private readonly bundler;
+    private readonly handler;
+    appIsrManifestInner: InstanceType<typeof LRUCache<boolean>>;
+    close: NextJsHotReloaderInterface['close'];
+    setCacheStatus: NextJsHotReloaderInterface['setCacheStatus'];
+    setReactDebugChannel: NextJsHotReloaderInterface['setReactDebugChannel'];
+    sendErrorsToBrowser: NextJsHotReloaderInterface['sendErrorsToBrowser'];
+    constructor(bundler: DevBundler, handler: WorkerRequestHandler);
+    ensurePage: typeof this.bundler.hotReloader.ensurePage;
+    logErrorWithOriginalStack: (err: unknown, type?: "unhandledRejection" | "uncaughtException" | "warning" | "app-dir") => void;
+    getFallbackErrorComponents(url?: string): Promise<void>;
+    getCompilationError(page: string): Promise<any>;
+    revalidate({ urlPath, revalidateHeaders, opts: revalidateOpts, }: {
+        urlPath: string;
+        revalidateHeaders: IncomingMessage['headers'];
+        opts: any;
+    }): Promise<{}>;
+    get appIsrManifest(): Record<string, boolean>;
+    setIsrStatus(key: string, value: boolean | undefined): void;
+    sendHmrMessage(message: HmrMessageSentToBrowser): void;
+}