Add first business article and article layout

node_modules/astro/dist/vite-plugin-astro-server/route-guard.d.ts

@@ -0,0 +1,10 @@
+import type * as vite from 'vite';
+import type { AstroSettings } from '../types/astro.js';
+/**
+ * Middleware that prevents Vite from serving files that exist outside
+ * of srcDir and publicDir when accessed via direct URL navigation.
+ *
+ * This fixes the issue where files like /README.md are served
+ * when they exist at the project root but aren't part of Astro's routing.
+ */
+export declare function routeGuardMiddleware(settings: AstroSettings): vite.Connect.NextHandleFunction;