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/form-shared.d.ts

@@ -0,0 +1,50 @@
+import type { HTMLProps } from 'react';
+export declare const DISALLOWED_FORM_PROPS: readonly ["method", "encType", "target"];
+type HTMLFormProps = HTMLProps<HTMLFormElement>;
+type DisallowedFormProps = (typeof DISALLOWED_FORM_PROPS)[number];
+type InternalFormProps = {
+    /**
+     * `action` can be either a `string` or a function.
+     * - If `action` is a string, it will be interpreted as a path or URL to navigate to when the form is submitted.
+     *   The path will be prefetched when the form becomes visible.
+     * - If `action` is a function, it will be called when the form is submitted. See the [React docs](https://react.dev/reference/react-dom/components/form#props) for more.
+     */
+    action: NonNullable<HTMLFormProps['action']>;
+    /**
+     * Controls how the route specified by `action` is prefetched.
+     * Any `<Form />` that is in the viewport (initially or through scroll) will be prefetched.
+     * Prefetch can be disabled by passing `prefetch={false}`. Prefetching is only enabled in production.
+     *
+     * Options:
+     * - "auto", null, undefined (default): For statically generated pages, this will prefetch the full React Server Component data. For dynamic pages, this will prefetch up to the nearest route segment with a [`loading.js`](https://nextjs.org/docs/app/api-reference/file-conventions/loading) file. If there is no loading file, it will not fetch the full tree to avoid fetching too much data.
+     * - `false`: This will not prefetch any data.
+     *
+     * In pages dir, prefetching is not supported, and passing this prop will emit a warning.
+     *
+     * @defaultValue `null`
+     */
+    prefetch?: false | null;
+    /**
+     * Whether submitting the form should replace the current `history` state instead of adding a new url into the stack.
+     * Only valid if `action` is a string.
+     *
+     * @defaultValue `false`
+     */
+    replace?: boolean;
+    /**
+     * Override the default scroll behavior when navigating.
+     * Only valid if `action` is a string.
+     *
+     * @defaultValue `true`
+     */
+    scroll?: boolean;
+} & Omit<HTMLFormProps, 'action' | DisallowedFormProps>;
+export type FormProps<RouteInferType = any> = InternalFormProps;
+export declare function createFormSubmitDestinationUrl(action: string, formElement: HTMLFormElement): URL;
+export declare function checkFormActionUrl(action: string, source: 'action' | 'formAction'): void;
+export declare const isSupportedFormEncType: (value: string) => value is "application/x-www-form-urlencoded";
+export declare const isSupportedFormMethod: (value: string) => value is "get";
+export declare const isSupportedFormTarget: (value: string) => value is "_self";
+export declare function hasUnsupportedSubmitterAttributes(submitter: HTMLElement): boolean;
+export declare function hasReactClientActionAttributes(submitter: HTMLElement): boolean | "" | null;
+export {};