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/tapable/lib/util-browser.js

@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+module.exports.deprecate = (fn, msg) => {
+	let once = true;
+	return function deprecate() {
+		if (once) {
+			// eslint-disable-next-line no-console
+			console.warn(`DeprecationWarning: ${msg}`);
+			once = false;
+		}
+		// eslint-disable-next-line prefer-rest-params
+		return fn.apply(this, arguments);
+	};
+};