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/base-http/node.d.ts

@@ -0,0 +1,50 @@
+import type { ServerResponse, IncomingMessage } from 'http';
+import type { Writable, Readable } from 'stream';
+import { SYMBOL_CLEARED_COOKIES } from '../api-utils';
+import type { NextApiRequestCookies } from '../api-utils';
+import { NEXT_REQUEST_META } from '../request-meta';
+import type { RequestMeta } from '../request-meta';
+import { BaseNextRequest, BaseNextResponse, type FetchMetric } from './index';
+import type { OutgoingHttpHeaders } from 'node:http';
+type Req = IncomingMessage & {
+    [NEXT_REQUEST_META]?: RequestMeta;
+    cookies?: NextApiRequestCookies;
+    fetchMetrics?: FetchMetric[];
+};
+export declare class NodeNextRequest extends BaseNextRequest<Readable> {
+    private _req;
+    headers: import("http").IncomingHttpHeaders;
+    fetchMetrics: FetchMetric[] | undefined;
+    [NEXT_REQUEST_META]: RequestMeta;
+    constructor(_req: Req);
+    get originalRequest(): Req;
+    set originalRequest(value: Req);
+    private streaming;
+}
+export declare class NodeNextResponse extends BaseNextResponse<Writable> {
+    private _res;
+    private textBody;
+    [SYMBOL_CLEARED_COOKIES]?: boolean;
+    get originalResponse(): ServerResponse<IncomingMessage> & {
+        [SYMBOL_CLEARED_COOKIES]?: boolean;
+    };
+    constructor(_res: ServerResponse & {
+        [SYMBOL_CLEARED_COOKIES]?: boolean;
+    });
+    get sent(): boolean;
+    get statusCode(): number;
+    set statusCode(value: number);
+    get statusMessage(): string;
+    set statusMessage(value: string);
+    setHeader(name: string, value: string | string[]): this;
+    removeHeader(name: string): this;
+    getHeaderValues(name: string): string[] | undefined;
+    hasHeader(name: string): boolean;
+    getHeader(name: string): string | undefined;
+    getHeaders(): OutgoingHttpHeaders;
+    appendHeader(name: string, value: string): this;
+    body(value: string): this;
+    send(): void;
+    onClose(callback: () => void): void;
+}
+export {};