♻️ 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/prismjs/components/prism-latte.min.js

@@ -1 +0,0 @@
-!function(a){a.languages.latte={comment:/^\{\*[\s\S]*/,"latte-tag":{pattern:/(^\{(?:\/(?=[a-z]))?)(?:[=_]|[a-z]\w*\b(?!\())/i,lookbehind:!0,alias:"important"},delimiter:{pattern:/^\{\/?|\}$/,alias:"punctuation"},php:{pattern:/\S(?:[\s\S]*\S)?/,alias:"language-php",inside:a.languages.php}};var t=a.languages.extend("markup",{});a.languages.insertBefore("inside","attr-value",{"n-attr":{pattern:/n:[\w-]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+))?/,inside:{"attr-name":{pattern:/^[^\s=]+/,alias:"important"},"attr-value":{pattern:/=[\s\S]+/,inside:{punctuation:[/^=/,{pattern:/^(\s*)["']|["']$/,lookbehind:!0}],php:{pattern:/\S(?:[\s\S]*\S)?/,inside:a.languages.php}}}}}},t.tag),a.hooks.add("before-tokenize",(function(e){"latte"===e.language&&(a.languages["markup-templating"].buildPlaceholders(e,"latte",/\{\*[\s\S]*?\*\}|\{[^'"\s{}*](?:[^"'/{}]|\/(?![*/])|("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|\/\*(?:[^*]|\*(?!\/))*\*\/)*\}/g),e.grammar=t)})),a.hooks.add("after-tokenize",(function(t){a.languages["markup-templating"].tokenizePlaceholders(t,"latte")}))}(Prism);