♻️ 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/js-yaml/lib/schema/default.js

@@ -1,22 +0,0 @@
-// JS-YAML's default schema for `safeLoad` function.
-// It is not described in the YAML specification.
-//
-// This schema is based on standard YAML's Core schema and includes most of
-// extra types described at YAML tag repository. (http://yaml.org/type/)
-
-
-'use strict';
-
-
-module.exports = require('./core').extend({
-  implicit: [
-    require('../type/timestamp'),
-    require('../type/merge')
-  ],
-  explicit: [
-    require('../type/binary'),
-    require('../type/omap'),
-    require('../type/pairs'),
-    require('../type/set')
-  ]
-});