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/@libsql/client/lib-esm/sql_cache.d.ts

@@ -0,0 +1,7 @@
+import type * as hrana from "@libsql/hrana-client";
+export declare class SqlCache {
+    #private;
+    capacity: number;
+    constructor(owner: hrana.SqlOwner, capacity: number);
+    apply(hranaStmts: Array<hrana.Stmt>): void;
+}