♻️ 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/html-escaper/test/index.js

@@ -1,23 +0,0 @@
-delete Object.freeze;
-
-var html = require('../cjs');
-
-console.assert(
-  html.escape('&<>\'"') === '&amp;&lt;&gt;&#39;&quot;',
-  'correct escape'
-);
-
-console.assert(
-  html.escape('<>\'"&') === '&lt;&gt;&#39;&quot;&amp;',
-  'correct inverted escape'
-);
-
-console.assert(
-  '&<>\'"' === html.unescape('&amp;&lt;&gt;&#39;&quot;'),
-  'correct unescape'
-);
-
-console.assert(
-  '<>\'"&' === html.unescape('&lt;&gt;&#39;&quot;&amp;'),
-  'correct inverted unescape'
-);

dealplustech-astro/node_modules/html-escaper/test/package.json

@@ -1 +0,0 @@
-{"type":"commonjs"}