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/components/links.d.ts

@@ -0,0 +1,46 @@
+import type { FlightRouterState } from '../../shared/lib/app-router-types';
+import type { AppRouterInstance } from '../../shared/lib/app-router-context.shared-runtime';
+import { type PrefetchTaskFetchStrategy } from './segment-cache/types';
+import { type PrefetchTask } from './segment-cache/scheduler';
+type LinkElement = HTMLAnchorElement | SVGAElement;
+type Element = LinkElement | HTMLFormElement;
+type LinkOrFormInstanceShared = {
+    router: AppRouterInstance;
+    fetchStrategy: PrefetchTaskFetchStrategy;
+    isVisible: boolean;
+    prefetchTask: PrefetchTask | null;
+};
+export type FormInstance = LinkOrFormInstanceShared & {
+    prefetchHref: string;
+    setOptimisticLinkStatus: null;
+};
+type PrefetchableLinkInstance = LinkOrFormInstanceShared & {
+    prefetchHref: string;
+    setOptimisticLinkStatus: (status: {
+        pending: boolean;
+    }) => void;
+};
+type NonPrefetchableLinkInstance = LinkOrFormInstanceShared & {
+    prefetchHref: null;
+    setOptimisticLinkStatus: (status: {
+        pending: boolean;
+    }) => void;
+};
+export type LinkInstance = PrefetchableLinkInstance | NonPrefetchableLinkInstance;
+export declare const PENDING_LINK_STATUS: {
+    pending: boolean;
+};
+export declare const IDLE_LINK_STATUS: {
+    pending: boolean;
+};
+export declare function setLinkForCurrentNavigation(link: LinkInstance | null): void;
+export declare function unmountLinkForCurrentNavigation(link: LinkInstance): void;
+export declare function mountLinkInstance(element: LinkElement, href: string, router: AppRouterInstance, fetchStrategy: PrefetchTaskFetchStrategy, prefetchEnabled: boolean, setOptimisticLinkStatus: (status: {
+    pending: boolean;
+}) => void): LinkInstance;
+export declare function mountFormInstance(element: HTMLFormElement, href: string, router: AppRouterInstance, fetchStrategy: PrefetchTaskFetchStrategy): void;
+export declare function unmountPrefetchableInstance(element: Element): void;
+export declare function onLinkVisibilityChanged(element: Element, isVisible: boolean): void;
+export declare function onNavigationIntent(element: HTMLAnchorElement | SVGAElement, unstable_upgradeToDynamicPrefetch: boolean): void;
+export declare function pingVisibleLinks(nextUrl: string | null, tree: FlightRouterState): void;
+export {};