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/zod-to-json-schema/dist/esm/parsers/unknown.js

@@ -0,0 +1,4 @@
+import { parseAnyDef } from "./any.js";
+export function parseUnknownDef(refs) {
+    return parseAnyDef(refs);
+}