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/node-environment-extensions/random.js

@@ -0,0 +1,28 @@
+/**
+ * We extend Math.random() during builds and revalidates to ensure that prerenders don't observe randomness
+ * When cacheComponents is enabled. randomness is a form of IO even though it resolves synchronously. When cacheComponents is
+ * enabled we need to ensure that randomness is excluded from prerenders.
+ *
+ * The extensions here never error nor alter the random generation itself and thus should be transparent to callers.
+ */ "use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+const _utils = require("./utils");
+const expression = '`Math.random()`';
+try {
+    const _random = Math.random;
+    Math.random = (function random() {
+        (0, _utils.io)(expression, 'random');
+        return _random.apply(null, arguments);
+    // We bind here to alter the `toString` printing to match `Math.random`'s native `toString`.
+    // eslint-disable-next-line no-extra-bind
+    }).bind(null);
+    Object.defineProperty(Math.random, 'name', {
+        value: 'random'
+    });
+} catch  {
+    console.error(`Failed to install ${expression} extension. When using \`cacheComponents\` calling this function will not correctly trigger dynamic behavior.`);
+}
+
+//# sourceMappingURL=random.js.map