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/astro/dist/assets/utils/getAssetsPrefix.js

@@ -0,0 +1,15 @@
+function getAssetsPrefix(fileExtension, assetsPrefix) {
+  let prefix = "";
+  if (!assetsPrefix) {
+    prefix = "";
+  } else if (typeof assetsPrefix === "string") {
+    prefix = assetsPrefix;
+  } else {
+    const dotLessFileExtension = fileExtension.slice(1);
+    prefix = assetsPrefix[dotLessFileExtension] || assetsPrefix.fallback;
+  }
+  return prefix;
+}
+export {
+  getAssetsPrefix
+};