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/request-idle-callback.js

@@ -0,0 +1,16 @@
+export const requestIdleCallback = typeof self !== 'undefined' && self.requestIdleCallback && self.requestIdleCallback.bind(window) || function(cb) {
+    let start = Date.now();
+    return self.setTimeout(function() {
+        cb({
+            didTimeout: false,
+            timeRemaining: function() {
+                return Math.max(0, 50 - (Date.now() - start));
+            }
+        });
+    }, 1);
+};
+export const cancelIdleCallback = typeof self !== 'undefined' && self.cancelIdleCallback && self.cancelIdleCallback.bind(window) || function(id) {
+    return clearTimeout(id);
+};
+
+//# sourceMappingURL=request-idle-callback.js.map