♻️ 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
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✅ 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-qml.min.js

@@ -1 +0,0 @@
-!function(e){for(var r="(?:[^\\\\()[\\]{}\"'/]|<string>|/(?![*/])|<comment>|\\(<expr>*\\)|\\[<expr>*\\]|\\{<expr>*\\}|\\\\[^])".replace(/<string>/g,(function(){return"\"(?:\\\\.|[^\\\\\"\r\n])*\"|'(?:\\\\.|[^\\\\'\r\n])*'"})).replace(/<comment>/g,(function(){return"//.*(?!.)|/\\*(?:[^*]|\\*(?!/))*\\*/"})),t=0;t<2;t++)r=r.replace(/<expr>/g,(function(){return r}));r=r.replace(/<expr>/g,"[^\\s\\S]"),e.languages.qml={comment:{pattern:/\/\/.*|\/\*[\s\S]*?\*\//,greedy:!0},"javascript-function":{pattern:RegExp("((?:^|;)[ \t]*)function\\s+(?!\\s)[_$a-zA-Z\\xA0-\\uFFFF](?:(?!\\s)[$\\w\\xA0-\\uFFFF])*\\s*\\(<js>*\\)\\s*\\{<js>*\\}".replace(/<js>/g,(function(){return r})),"m"),lookbehind:!0,greedy:!0,alias:"language-javascript",inside:e.languages.javascript},"class-name":{pattern:/((?:^|[:;])[ \t]*)(?!\d)\w+(?=[ \t]*\{|[ \t]+on\b)/m,lookbehind:!0},property:[{pattern:/((?:^|[;{])[ \t]*)(?!\d)\w+(?:\.\w+)*(?=[ \t]*:)/m,lookbehind:!0},{pattern:/((?:^|[;{])[ \t]*)property[ \t]+(?!\d)\w+(?:\.\w+)*[ \t]+(?!\d)\w+(?:\.\w+)*(?=[ \t]*:)/m,lookbehind:!0,inside:{keyword:/^property/,property:/\w+(?:\.\w+)*/}}],"javascript-expression":{pattern:RegExp("(:[ \t]*)(?![\\s;}[])(?:(?!$|[;}])<js>)+".replace(/<js>/g,(function(){return r})),"m"),lookbehind:!0,greedy:!0,alias:"language-javascript",inside:e.languages.javascript},string:{pattern:/"(?:\\.|[^\\"\r\n])*"/,greedy:!0},keyword:/\b(?:as|import|on)\b/,punctuation:/[{}[\]:;,]/}}(Prism);