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/telemetry/events/swc-plugins.d.ts

@@ -0,0 +1,10 @@
+import type { NextConfig } from '../../server/config-shared';
+type SwcPluginsEvent = {
+    eventName: string;
+    payload: {
+        pluginName: string;
+        pluginVersion?: string;
+    };
+};
+export declare function eventSwcPlugins(dir: string, config: NextConfig): Promise<Array<SwcPluginsEvent>>;
+export {};