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/dev/log-requests.d.ts

@@ -0,0 +1,7 @@
+import type { NodeNextRequest, NodeNextResponse } from '../base-http/node';
+import type { LoggingConfig } from '../config-shared';
+/**
+ * Returns true if the incoming request should be ignored for logging.
+ */
+export declare function ignoreLoggingIncomingRequests(request: NodeNextRequest, loggingConfig: LoggingConfig | undefined): boolean;
+export declare function logRequests(request: NodeNextRequest, response: NodeNextResponse, loggingConfig: LoggingConfig, requestStartTime: bigint, requestEndTime: bigint, devRequestTimingMiddlewareStart: bigint | undefined, devRequestTimingMiddlewareEnd: bigint | undefined, devRequestTimingInternalsEnd: bigint | undefined, devGenerateStaticParamsDuration: bigint | undefined): void;