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/client/next.js

@@ -0,0 +1,24 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+require("./webpack");
+require("../lib/require-instrumentation-client");
+const _ = require("./");
+window.next = {
+    version: _.version,
+    // router is initialized later so it has to be live-binded
+    get router () {
+        return _.router;
+    },
+    emitter: _.emitter
+};
+(0, _.initialize)({}).then(()=>(0, _.hydrate)()).catch(console.error);
+
+if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
+  Object.defineProperty(exports.default, '__esModule', { value: true });
+  Object.assign(exports.default, exports);
+  module.exports = exports.default;
+}
+
+//# sourceMappingURL=next.js.map