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/auth.js

@@ -0,0 +1,22 @@
+/**
+ * Authorization outcome.
+ *
+ * @readonly
+ * @enum {number}
+ * @property {number} ALLOW - Allow access to a resource.
+ * @property {number} DENY - Deny access to a resource and throw an error.
+ */
+const Authorization = {
+  /**
+   * Allow access to a resource.
+   * @type {number}
+   */
+  ALLOW: 0,
+
+  /**
+   * Deny access to a resource and throw an error in `prepare()`.
+   * @type {number}
+   */
+  DENY: 1,
+};
+module.exports = Authorization;