Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/@astrojs/markdown-remark/dist/shiki.d.ts

@@ -0,0 +1,12 @@
+import type { ShikiConfig } from './types.js';
+export interface ShikiHighlighter {
+    highlight(code: string, lang?: string, options?: {
+        inline?: boolean;
+        attributes?: Record<string, string>;
+        /**
+         * Raw `meta` information to be used by Shiki transformers
+         */
+        meta?: string;
+    }): Promise<string>;
+}
+export declare function createShikiHighlighter({ langs, theme, themes, defaultColor, wrap, transformers, langAlias, }?: ShikiConfig): Promise<ShikiHighlighter>;