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/css-tree/lib/syntax/atrule/starting-style.js

@@ -0,0 +1,8 @@
+export default {
+    parse: {
+        prelude: null,
+        block(nested = false) {
+            return this.Block(nested);
+        }
+    }
+};