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/ohash/dist/index.mjs

@@ -0,0 +1,10 @@
+import { s as serialize } from './shared/ohash.D__AXeF1.mjs';
+export { i as isEqual } from './shared/ohash.D__AXeF1.mjs';
+import { digest } from 'ohash/crypto';
+export { digest } from 'ohash/crypto';
+
+function hash(input) {
+  return digest(serialize(input));
+}
+
+export { hash, serialize };