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/trough/index.d.ts

@@ -0,0 +1,7 @@
+export type Callback = import('./lib/index.js').Callback;
+export type Middleware = import('./lib/index.js').Middleware;
+export type Pipeline = import('./lib/index.js').Pipeline;
+export type Run = import('./lib/index.js').Run;
+export type Use = import('./lib/index.js').Use;
+export { trough, wrap } from "./lib/index.js";
+//# sourceMappingURL=index.d.ts.map