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/vite-plugin-astro/metadata.js

@@ -0,0 +1,21 @@
+function getAstroMetadata(modInfo) {
+  if (modInfo.meta?.astro) {
+    return modInfo.meta.astro;
+  }
+  return void 0;
+}
+function createDefaultAstroMetadata() {
+  return {
+    hydratedComponents: [],
+    clientOnlyComponents: [],
+    serverComponents: [],
+    scripts: [],
+    propagation: "none",
+    containsHead: false,
+    pageOptions: {}
+  };
+}
+export {
+  createDefaultAstroMetadata,
+  getAstroMetadata
+};