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/next-devtools/server/restart-dev-server-middleware.d.ts

@@ -0,0 +1,10 @@
+import type { ServerResponse, IncomingMessage } from 'http';
+import type { Telemetry } from '../../telemetry/storage';
+import type { Project } from '../../build/swc/types';
+interface RestartDevServerMiddlewareConfig {
+    telemetry: Telemetry;
+    turbopackProject?: Project;
+    webpackCacheDirectories?: Set<string>;
+}
+export declare function getRestartDevServerMiddleware({ telemetry, turbopackProject, webpackCacheDirectories, }: RestartDevServerMiddlewareConfig): (req: IncomingMessage, res: ServerResponse, next: () => void) => Promise<void>;
+export {};