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/esm/client/app-build-id.js

@@ -0,0 +1,21 @@
+// This gets assigned as a side-effect during app initialization. Because it
+// represents the build used to create the JS bundle, it should never change
+// after being set, so we store it in a global variable.
+//
+// When performing RSC requests, if the incoming data has a different build ID,
+// we perform an MPA navigation/refresh to load the updated build and ensure
+// that the client and server in sync.
+// Starts as an empty string. In practice, because setAppBuildId is called
+// during initialization before hydration starts, this will always get
+// reassigned to the actual build ID before it's ever needed by a navigation.
+// If for some reasons it didn't, due to a bug or race condition, then on
+// navigation the build comparision would fail and trigger an MPA navigation.
+let globalBuildId = '';
+export function setAppBuildId(buildId) {
+    globalBuildId = buildId;
+}
+export function getAppBuildId() {
+    return globalBuildId;
+}
+
+//# sourceMappingURL=app-build-id.js.map