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/property-information/lib/util/case-insensitive-transform.js

@@ -0,0 +1,13 @@
+import {caseSensitiveTransform} from './case-sensitive-transform.js'
+
+/**
+ * @param {Record<string, string>} attributes
+ *   Attributes.
+ * @param {string} property
+ *   Property.
+ * @returns {string}
+ *   Transformed property.
+ */
+export function caseInsensitiveTransform(attributes, property) {
+  return caseSensitiveTransform(attributes, property.toLowerCase())
+}