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/runtime/client/media.js

@@ -0,0 +1,18 @@
+const mediaDirective = (load, options) => {
+  const cb = async () => {
+    const hydrate = await load();
+    await hydrate();
+  };
+  if (options.value) {
+    const mql = matchMedia(options.value);
+    if (mql.matches) {
+      cb();
+    } else {
+      mql.addEventListener("change", cb, { once: true });
+    }
+  }
+};
+var media_default = mediaDirective;
+export {
+  media_default as default
+};