♻️ 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/min.js

@@ -1 +0,0 @@
-var html=function(t){"use strict";const{replace:a}="",l=/&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34);/g,c=/[&<>'"]/g,e={"&":"&amp;","<":"&lt;",">":"&gt;","'":"&#39;",'"':"&quot;"},p=t=>e[t],o={"&amp;":"&","&#38;":"&","&lt;":"<","&#60;":"<","&gt;":">","&#62;":">","&apos;":"'","&#39;":"'","&quot;":'"',"&#34;":'"'},s=t=>o[t];return t.escape=(t=>a.call(t,c,p)),t.unescape=(t=>a.call(t,l,s)),t}({});