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/session-stopped.d.ts

@@ -0,0 +1,14 @@
+export type EventCliSessionStopped = {
+    cliCommand: string;
+    nextVersion: string;
+    nodeVersion: string;
+    turboFlag?: boolean | null;
+    durationMilliseconds?: number | null;
+    pagesDir?: boolean;
+    appDir?: boolean;
+    isRspack: boolean;
+};
+export declare function eventCliSessionStopped(event: Omit<EventCliSessionStopped, 'nextVersion' | 'nodeVersion' | 'isRspack'>): {
+    eventName: string;
+    payload: EventCliSessionStopped;
+}[];