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/after/awaiter.js

@@ -0,0 +1,74 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    AwaiterMulti: null,
+    AwaiterOnce: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    AwaiterMulti: function() {
+        return AwaiterMulti;
+    },
+    AwaiterOnce: function() {
+        return AwaiterOnce;
+    }
+});
+const _invarianterror = require("../../shared/lib/invariant-error");
+class AwaiterMulti {
+    constructor({ onError } = {}){
+        this.promises = new Set();
+        this.waitUntil = (promise)=>{
+            // if a promise settles before we await it, we should drop it --
+            // storing them indefinitely could result in a memory leak.
+            const cleanup = ()=>{
+                this.promises.delete(promise);
+            };
+            promise.then(cleanup, (err)=>{
+                cleanup();
+                this.onError(err);
+            });
+            this.promises.add(promise);
+        };
+        this.onError = onError ?? console.error;
+    }
+    async awaiting() {
+        while(this.promises.size > 0){
+            const promises = Array.from(this.promises);
+            this.promises.clear();
+            await Promise.allSettled(promises);
+        }
+    }
+}
+class AwaiterOnce {
+    constructor(options = {}){
+        this.done = false;
+        this.waitUntil = (promise)=>{
+            if (this.done) {
+                throw Object.defineProperty(new _invarianterror.InvariantError('Cannot call waitUntil() on an AwaiterOnce that was already awaited'), "__NEXT_ERROR_CODE", {
+                    value: "E563",
+                    enumerable: false,
+                    configurable: true
+                });
+            }
+            return this.awaiter.waitUntil(promise);
+        };
+        this.awaiter = new AwaiterMulti(options);
+    }
+    async awaiting() {
+        if (!this.pending) {
+            this.pending = this.awaiter.awaiting().finally(()=>{
+                this.done = true;
+            });
+        }
+        return this.pending;
+    }
+}
+
+//# sourceMappingURL=awaiter.js.map