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/diff/libesm/util/params.js

@@ -0,0 +1,14 @@
+export function generateOptions(options, defaults) {
+    if (typeof options === 'function') {
+        defaults.callback = options;
+    }
+    else if (options) {
+        for (const name in options) {
+            /* istanbul ignore else */
+            if (Object.prototype.hasOwnProperty.call(options, name)) {
+                defaults[name] = options[name];
+            }
+        }
+    }
+    return defaults;
+}