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/astro-consent/dist/index.d.ts

@@ -0,0 +1,15 @@
+import type { AstroIntegration } from "astro";
+export interface AstroConsentOptions {
+    siteName?: string;
+    policyUrl?: string;
+    consent?: {
+        days?: number;
+        storageKey?: string;
+    };
+    categories?: {
+        essential?: boolean;
+        analytics?: boolean;
+        marketing?: boolean;
+    };
+}
+export default function astroConsent(options?: AstroConsentOptions): AstroIntegration;