♻️ Restructure: Move Astro to repository root

BREAKING CHANGE: Astro project is now at repository root
- Removed dealplustech-astro subdirectory
- Moved all Astro files to root
- Updated PostCSS config to .cjs
- Removed old Next.js files

✅ 11 pages built successfully
✅ Cookie consent banner included
✅ Privacy/Terms links in footer
✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/aria-query/lib/etc/roles/ariaAbstractRoles.js

@@ -1,21 +0,0 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _commandRole = _interopRequireDefault(require("./abstract/commandRole"));
-var _compositeRole = _interopRequireDefault(require("./abstract/compositeRole"));
-var _inputRole = _interopRequireDefault(require("./abstract/inputRole"));
-var _landmarkRole = _interopRequireDefault(require("./abstract/landmarkRole"));
-var _rangeRole = _interopRequireDefault(require("./abstract/rangeRole"));
-var _roletypeRole = _interopRequireDefault(require("./abstract/roletypeRole"));
-var _sectionRole = _interopRequireDefault(require("./abstract/sectionRole"));
-var _sectionheadRole = _interopRequireDefault(require("./abstract/sectionheadRole"));
-var _selectRole = _interopRequireDefault(require("./abstract/selectRole"));
-var _structureRole = _interopRequireDefault(require("./abstract/structureRole"));
-var _widgetRole = _interopRequireDefault(require("./abstract/widgetRole"));
-var _windowRole = _interopRequireDefault(require("./abstract/windowRole"));
-function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
-var ariaAbstractRoles = [['command', _commandRole.default], ['composite', _compositeRole.default], ['input', _inputRole.default], ['landmark', _landmarkRole.default], ['range', _rangeRole.default], ['roletype', _roletypeRole.default], ['section', _sectionRole.default], ['sectionhead', _sectionheadRole.default], ['select', _selectRole.default], ['structure', _structureRole.default], ['widget', _widgetRole.default], ['window', _windowRole.default]];
-var _default = exports.default = ariaAbstractRoles;