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/WhiteSpace.js

@@ -0,0 +1,27 @@
+import { WhiteSpace } from '../../tokenizer/index.js';
+
+const SPACE = Object.freeze({
+    type: 'WhiteSpace',
+    loc: null,
+    value: ' '
+});
+
+export const name = 'WhiteSpace';
+export const structure = {
+    value: String
+};
+
+export function parse() {
+    this.eat(WhiteSpace);
+    return SPACE;
+
+    // return {
+    //     type: 'WhiteSpace',
+    //     loc: this.getLocation(this.tokenStart, this.tokenEnd),
+    //     value: this.consume(WHITESPACE)
+    // };
+}
+
+export function generate(node) {
+    this.token(WhiteSpace, node.value);
+}