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/csso/cjs/clean/Raw.cjs

@@ -0,0 +1,13 @@
+'use strict';
+
+const utils = require('./utils.cjs');
+
+function cleanRaw(node, item, list) {
+    // raw in stylesheet or block children
+    if (utils.isNodeChildrenList(this.stylesheet, list) ||
+        utils.isNodeChildrenList(this.block, list)) {
+        list.remove(item);
+    }
+}
+
+module.exports = cleanRaw;