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/metadata.d.ts

@@ -0,0 +1,8 @@
+import type { ModuleInfo, ModuleLoader } from '../core/module-loader/index.js';
+type GetPrerenderStatusParams = {
+    filePath: URL;
+    loader: ModuleLoader;
+};
+export declare function getPrerenderStatus({ filePath, loader, }: GetPrerenderStatusParams): boolean | undefined;
+export declare function getPrerenderMetadata(moduleInfo: ModuleInfo): any;
+export {};