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/domutils/readme.md

@@ -0,0 +1,31 @@
+# domutils [![Node.js CI](https://github.com/fb55/domutils/actions/workflows/nodejs-test.yml/badge.svg)](https://github.com/fb55/domutils/actions/workflows/nodejs-test.yml)
+
+Utilities for working with [htmlparser2](https://github.com/fb55/htmlparser2)'s DOM.
+
+All functions are exported as a single module. Look [through the docs](https://domutils.js.org/modules.html) to see what is available.
+
+## Ecosystem
+
+| Name                                                          | Description                                             |
+| ------------------------------------------------------------- | ------------------------------------------------------- |
+| [htmlparser2](https://github.com/fb55/htmlparser2)            | Fast & forgiving HTML/XML parser                        |
+| [domhandler](https://github.com/fb55/domhandler)              | Handler for htmlparser2 that turns documents into a DOM |
+| [domutils](https://github.com/fb55/domutils)                  | Utilities for working with domhandler's DOM             |
+| [css-select](https://github.com/fb55/css-select)              | CSS selector engine, compatible with domhandler's DOM   |
+| [cheerio](https://github.com/cheeriojs/cheerio)               | The jQuery API for domhandler's DOM                     |
+| [dom-serializer](https://github.com/cheeriojs/dom-serializer) | Serializer for domhandler's DOM                         |
+
+---
+
+License: BSD-2-Clause
+
+## Security contact information
+
+To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.
+
+## `domutils` for enterprise
+
+Available as part of the Tidelift Subscription
+
+The maintainers of `domutils` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-domutils?utm_source=npm-domutils&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)