feat: Upgrade to Astro with full PDPA compliance

PDPA Features:
✅ Cookie consent banner
✅ Consent logging API
✅ Admin dashboard
✅ Privacy Policy
✅ Terms & Conditions

Technical:
✅ Astro 5.x + Tailwind v4
✅ Docker on port 80
✅ SQLite database
✅ 15 pages built

Ready for Easypanel deployment.

node_modules/astro/dist/prerender/utils.d.ts

@@ -0,0 +1,11 @@
+import type { AstroSettings } from '../types/astro.js';
+import type { AstroConfig } from '../types/public/config.js';
+export declare function getPrerenderDefault(config: AstroConfig): boolean;
+/**
+ * Returns the correct output directory of the SSR build based on the configuration
+ */
+export declare function getServerOutputDirectory(settings: AstroSettings): URL;
+/**
+ * Returns the correct output directory of the client build based on the configuration
+ */
+export declare function getClientOutputDirectory(settings: AstroSettings): URL;