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/prompts/lib/dateparts/year.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const DatePart = require('./datepart');
+
+class Year extends DatePart {
+  constructor(opts={}) {
+    super(opts);
+  }
+
+  up() {
+    this.date.setFullYear(this.date.getFullYear() + 1);
+  }
+
+  down() {
+    this.date.setFullYear(this.date.getFullYear() - 1);
+  }
+
+  setTo(val) {
+    this.date.setFullYear(val.substr(-4));
+  }
+
+  toString() {
+    let year = String(this.date.getFullYear()).padStart(4, '0');
+    return this.token.length === 2 ? year.substr(-2) : year;
+  }
+}
+
+module.exports = Year;