refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/astro/dist/assets/utils/queryParams.js

@@ -0,0 +1,16 @@
+function getOrigQueryParams(params) {
+  const width = params.get("origWidth");
+  const height = params.get("origHeight");
+  const format = params.get("origFormat");
+  if (!width || !height || !format) {
+    return void 0;
+  }
+  return {
+    width: parseInt(width),
+    height: parseInt(height),
+    format
+  };
+}
+export {
+  getOrigQueryParams
+};