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/enum.js

@@ -0,0 +1,6 @@
+export function parseEnumDef(def) {
+    return {
+        type: "string",
+        enum: Array.from(def.values),
+    };
+}