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/transitions/index.d.ts

@@ -0,0 +1,8 @@
+import type { TransitionDirectionalAnimations } from '../types/public/view-transitions.js';
+export { createAnimationScope } from '../runtime/server/transition.js';
+export declare function slide({ duration, }?: {
+    duration?: string | number;
+}): TransitionDirectionalAnimations;
+export declare function fade({ duration, }?: {
+    duration?: string | number;
+}): TransitionDirectionalAnimations;