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/zod-to-json-schema/dist/esm/getRelativePath.js

@@ -0,0 +1,8 @@
+export const getRelativePath = (pathA, pathB) => {
+    let i = 0;
+    for (; i < pathA.length && i < pathB.length; i++) {
+        if (pathA[i] !== pathB[i])
+            break;
+    }
+    return [(pathA.length - i).toString(), ...pathB.slice(i)].join("/");
+};