♻️ 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/index.js

@@ -1,17 +0,0 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.roles = exports.roleElements = exports.elementRoles = exports.dom = exports.aria = void 0;
-var _ariaPropsMap = _interopRequireDefault(require("./ariaPropsMap"));
-var _domMap = _interopRequireDefault(require("./domMap"));
-var _rolesMap = _interopRequireDefault(require("./rolesMap"));
-var _elementRoleMap = _interopRequireDefault(require("./elementRoleMap"));
-var _roleElementMap = _interopRequireDefault(require("./roleElementMap"));
-function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
-var aria = exports.aria = _ariaPropsMap.default;
-var dom = exports.dom = _domMap.default;
-var roles = exports.roles = _rolesMap.default;
-var elementRoles = exports.elementRoles = _elementRoleMap.default;
-var roleElements = exports.roleElements = _roleElementMap.default;