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/uncrypto/dist/crypto.node.mjs

@@ -0,0 +1,16 @@
+import nodeCrypto from 'node:crypto';
+
+const subtle = nodeCrypto.webcrypto?.subtle || {};
+const randomUUID = () => {
+  return nodeCrypto.randomUUID();
+};
+const getRandomValues = (array) => {
+  return nodeCrypto.webcrypto.getRandomValues(array);
+};
+const _crypto = {
+  randomUUID,
+  getRandomValues,
+  subtle
+};
+
+export { _crypto as default, getRandomValues, randomUUID, subtle };