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/drizzle-orm/mysql-core/expressions.d.ts

@@ -0,0 +1,8 @@
+import type { Placeholder, SQL, SQLWrapper } from "../sql/sql.js";
+import type { MySqlColumn } from "./columns/index.js";
+export * from "../sql/expressions/index.js";
+export declare function concat(column: MySqlColumn | SQL.Aliased, value: string | Placeholder | SQLWrapper): SQL;
+export declare function substring(column: MySqlColumn | SQL.Aliased, { from, for: _for }: {
+    from?: number | Placeholder | SQLWrapper;
+    for?: number | Placeholder | SQLWrapper;
+}): SQL;