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/css-tree/cjs/syntax/node/MediaFeatureRange.cjs

@@ -0,0 +1,11 @@
+'use strict';
+
+const featureRange = require('./common/feature-range.cjs');
+
+const name = 'MediaFeatureRange';
+const parse = featureRange.createParse(name);
+
+exports.generate = featureRange.generate;
+exports.structure = featureRange.structure;
+exports.name = name;
+exports.parse = parse;