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/dist/prerender/utils.js

@@ -0,0 +1,15 @@
+import { getOutDirWithinCwd } from "../core/build/common.js";
+function getPrerenderDefault(config) {
+  return config.output !== "server";
+}
+function getServerOutputDirectory(settings) {
+  return settings.buildOutput === "server" ? settings.config.build.server : getOutDirWithinCwd(settings.config.outDir);
+}
+function getClientOutputDirectory(settings) {
+  return settings.buildOutput === "server" ? settings.config.build.client : settings.config.outDir;
+}
+export {
+  getClientOutputDirectory,
+  getPrerenderDefault,
+  getServerOutputDirectory
+};