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/app-render/interop-default.js

@@ -0,0 +1,17 @@
+/**
+ * Interop between "export default" and "module.exports".
+ */ "use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "interopDefault", {
+    enumerable: true,
+    get: function() {
+        return interopDefault;
+    }
+});
+function interopDefault(mod) {
+    return mod.default || mod;
+}
+
+//# sourceMappingURL=interop-default.js.map