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/dlv/index.js

@@ -0,0 +1,7 @@
+export default function dlv(obj, key, def, p, undef) {
+	key = key.split ? key.split('.') : key;
+	for (p = 0; p < key.length; p++) {
+		obj = obj ? obj[key[p]] : undef;
+	}
+	return obj === undef ? def : obj;
+}