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/jiti/lib/jiti.cjs

@@ -0,0 +1,30 @@
+const { createRequire } = require("node:module");
+const _createJiti = require("../dist/jiti.cjs");
+
+function onError(err) {
+  throw err; /* ↓ Check stack trace ↓ */
+}
+
+const nativeImport = (id) => import(id);
+
+let _transform;
+function lazyTransform(...args) {
+  if (!_transform) {
+    _transform = require("../dist/babel.cjs");
+  }
+  return _transform(...args);
+}
+
+function createJiti(id, opts = {}) {
+  if (!opts.transform) {
+    opts = { ...opts, transform: lazyTransform };
+  }
+  return _createJiti(id, opts, {
+    onError,
+    nativeImport,
+    createRequire,
+  });
+}
+
+module.exports = createJiti;
+module.exports.createJiti = createJiti;