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/esm/server/node-polyfill-crypto.js

@@ -0,0 +1,20 @@
+// Polyfill crypto() in the Node.js environment
+if (!global.crypto) {
+    let webcrypto;
+    Object.defineProperty(global, 'crypto', {
+        enumerable: false,
+        configurable: true,
+        get () {
+            if (!webcrypto) {
+                // @ts-expect-error -- TODO: Is this actually safe?
+                webcrypto = require('node:crypto').webcrypto;
+            }
+            return webcrypto;
+        },
+        set (value) {
+            webcrypto = value;
+        }
+    });
+}
+
+//# sourceMappingURL=node-polyfill-crypto.js.map