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/server.js

@@ -0,0 +1,30 @@
+const serverExports = {
+  NextRequest: require('next/dist/server/web/spec-extension/request')
+    .NextRequest,
+  NextResponse: require('next/dist/server/web/spec-extension/response')
+    .NextResponse,
+  ImageResponse: require('next/dist/server/web/spec-extension/image-response')
+    .ImageResponse,
+  userAgentFromString: require('next/dist/server/web/spec-extension/user-agent')
+    .userAgentFromString,
+  userAgent: require('next/dist/server/web/spec-extension/user-agent')
+    .userAgent,
+  URLPattern: require('next/dist/server/web/spec-extension/url-pattern')
+    .URLPattern,
+  after: require('next/dist/server/after').after,
+  connection: require('next/dist/server/request/connection').connection,
+}
+
+// https://nodejs.org/api/esm.html#commonjs-namespaces
+// When importing CommonJS modules, the module.exports object is provided as the default export
+module.exports = serverExports
+
+// make import { xxx } from 'next/server' work
+exports.NextRequest = serverExports.NextRequest
+exports.NextResponse = serverExports.NextResponse
+exports.ImageResponse = serverExports.ImageResponse
+exports.userAgentFromString = serverExports.userAgentFromString
+exports.userAgent = serverExports.userAgent
+exports.URLPattern = serverExports.URLPattern
+exports.after = serverExports.after
+exports.connection = serverExports.connection