fix: Add nixpacks configuration for Astro deployment

dealplustech-astro/node_modules/astro/dist/cli/telemetry/index.d.ts

@@ -0,0 +1,7 @@
+import { type Flags } from '../flags.js';
+interface TelemetryOptions {
+    flags: Flags;
+}
+export declare function notify(): Promise<void>;
+export declare function update(subcommand: string, { flags }: TelemetryOptions): Promise<void>;
+export {};