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/aria-query/lib/etc/roles/literal/cellRole.js

@@ -0,0 +1,33 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var cellRole = {
+  abstract: false,
+  accessibleNameRequired: false,
+  baseConcepts: [],
+  childrenPresentational: false,
+  nameFrom: ['author', 'contents'],
+  prohibitedProps: [],
+  props: {
+    'aria-colindex': null,
+    'aria-colspan': null,
+    'aria-rowindex': null,
+    'aria-rowspan': null
+  },
+  relatedConcepts: [{
+    concept: {
+      constraints: ['ancestor table element has table role'],
+      name: 'td'
+    },
+    module: 'HTML'
+  }],
+  requireContextRole: ['row'],
+  requiredContextRole: ['row'],
+  requiredOwnedElements: [],
+  requiredProps: {},
+  superClass: [['roletype', 'structure', 'section']]
+};
+var _default = exports.default = cellRole;