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/drizzle-orm/session.d.ts

@@ -0,0 +1,5 @@
+import type { Query } from "./index.js";
+export interface PreparedQuery {
+    getQuery(): Query;
+    mapResult(response: unknown, isFromBatch?: boolean): unknown;
+}