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/deterministic-object-hash/dist/index.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="node" />
+import { BinaryToTextEncoding, webcrypto } from "node:crypto";
+/** Creates a deterministic hash for all inputs. */
+export default function deterministicHash(input: unknown, algorithm?: Parameters<typeof webcrypto.subtle.digest>[0], output?: BinaryToTextEncoding): Promise<string>;
+export declare function deterministicString(input: unknown): string;