♻️ 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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✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/prismjs/components/prism-tt2.min.js

@@ -1 +0,0 @@
-!function(e){e.languages.tt2=e.languages.extend("clike",{comment:/#.*|\[%#[\s\S]*?%\]/,keyword:/\b(?:BLOCK|CALL|CASE|CATCH|CLEAR|DEBUG|DEFAULT|ELSE|ELSIF|END|FILTER|FINAL|FOREACH|GET|IF|IN|INCLUDE|INSERT|LAST|MACRO|META|NEXT|PERL|PROCESS|RAWPERL|RETURN|SET|STOP|SWITCH|TAGS|THROW|TRY|UNLESS|USE|WHILE|WRAPPER)\b/,punctuation:/[[\]{},()]/}),e.languages.insertBefore("tt2","number",{operator:/=[>=]?|!=?|<=?|>=?|&&|\|\|?|\b(?:and|not|or)\b/,variable:{pattern:/\b[a-z]\w*(?:\s*\.\s*(?:\d+|\$?[a-z]\w*))*\b/i}}),e.languages.insertBefore("tt2","keyword",{delimiter:{pattern:/^(?:\[%|%%)-?|-?%\]$/,alias:"punctuation"}}),e.languages.insertBefore("tt2","string",{"single-quoted-string":{pattern:/'[^\\']*(?:\\[\s\S][^\\']*)*'/,greedy:!0,alias:"string"},"double-quoted-string":{pattern:/"[^\\"]*(?:\\[\s\S][^\\"]*)*"/,greedy:!0,alias:"string",inside:{variable:{pattern:/\$(?:[a-z]\w*(?:\.(?:\d+|\$?[a-z]\w*))*)/i}}}}),delete e.languages.tt2.string,e.hooks.add("before-tokenize",(function(t){e.languages["markup-templating"].buildPlaceholders(t,"tt2",/\[%[\s\S]+?%\]/g)})),e.hooks.add("after-tokenize",(function(t){e.languages["markup-templating"].tokenizePlaceholders(t,"tt2")}))}(Prism);