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/fonts/runtime.js

@@ -0,0 +1,5 @@
+import * as fontsMod from "virtual:astro:assets/fonts/internal";
+const fontData = fontsMod.fontDataByCssVariable ?? {};
+export {
+  fontData
+};