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/server/render/script.d.ts

@@ -0,0 +1,10 @@
+import type { SSRResult } from '../../../types/public/internal.js';
+/**
+ * Relies on the `renderScript: true` compiler option
+ * @experimental
+ */
+export declare function renderScript(result: SSRResult, id: string): Promise<{
+    type: "script";
+    id: string;
+    content: string;
+}>;