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/client/flight-data-helpers.d.ts

@@ -0,0 +1,30 @@
+import type { CacheNodeSeedData, FlightData, FlightDataPath, FlightRouterState, FlightSegmentPath, Segment, HeadData, InitialRSCPayload } from '../shared/lib/app-router-types';
+export type NormalizedFlightData = {
+    /**
+     * The full `FlightSegmentPath` inclusive of the final `Segment`
+     */
+    segmentPath: FlightSegmentPath;
+    /**
+     * The `FlightSegmentPath` exclusive of the final `Segment`
+     */
+    pathToSegment: FlightSegmentPath;
+    segment: Segment;
+    tree: FlightRouterState;
+    seedData: CacheNodeSeedData | null;
+    head: HeadData;
+    isHeadPartial: boolean;
+    isRootRender: boolean;
+};
+export declare function getFlightDataPartsFromPath(flightDataPath: FlightDataPath): NormalizedFlightData;
+export declare function createInitialRSCPayloadFromFallbackPrerender(response: Response, fallbackInitialRSCPayload: InitialRSCPayload): InitialRSCPayload;
+export declare function getNextFlightSegmentPath(flightSegmentPath: FlightSegmentPath): FlightSegmentPath;
+export declare function normalizeFlightData(flightData: FlightData): NormalizedFlightData[] | string;
+/**
+ * This function is used to prepare the flight router state for the request.
+ * It removes markers that are not needed by the server, and are purely used
+ * for stashing state on the client.
+ * @param flightRouterState - The flight router state to prepare.
+ * @param isHmrRefresh - Whether this is an HMR refresh request.
+ * @returns The prepared flight router state.
+ */
+export declare function prepareFlightRouterStateForRequest(flightRouterState: FlightRouterState, isHmrRefresh?: boolean): string;