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/server/lib/async-callback-set.js

@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "AsyncCallbackSet", {
+    enumerable: true,
+    get: function() {
+        return AsyncCallbackSet;
+    }
+});
+class AsyncCallbackSet {
+    add(callback) {
+        this.callbacks.push(callback);
+    }
+    async runAll() {
+        if (!this.callbacks.length) {
+            return;
+        }
+        const callbacks = this.callbacks;
+        this.callbacks = [];
+        await Promise.allSettled(callbacks.map(// NOTE: wrapped in an async function to protect against synchronous exceptions
+        async (f)=>f()));
+    }
+    constructor(){
+        this.callbacks = [];
+    }
+}
+
+//# sourceMappingURL=async-callback-set.js.map