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/lib/syntax/node/index-parse-selector.js

@@ -0,0 +1,17 @@
+export { parse as AnPlusB } from './AnPlusB.js';
+export { parse as AttributeSelector } from './AttributeSelector.js';
+export { parse as ClassSelector } from './ClassSelector.js';
+export { parse as Combinator } from './Combinator.js';
+export { parse as Identifier } from './Identifier.js';
+export { parse as IdSelector } from './IdSelector.js';
+export { parse as NestingSelector } from './NestingSelector.js';
+export { parse as Nth } from './Nth.js';
+export { parse as Operator } from './Operator.js';
+export { parse as Percentage } from './Percentage.js';
+export { parse as PseudoClassSelector } from './PseudoClassSelector.js';
+export { parse as PseudoElementSelector } from './PseudoElementSelector.js';
+export { parse as Raw } from './Raw.js';
+export { parse as Selector } from './Selector.js';
+export { parse as SelectorList } from './SelectorList.js';
+export { parse as String } from './String.js';
+export { parse as TypeSelector } from './TypeSelector.js';