♻️ 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

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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-tremor.min.js

@@ -1 +0,0 @@
-!function(e){e.languages.tremor={comment:{pattern:/(^|[^\\])(?:\/\*[\s\S]*?\*\/|(?:--|\/\/|#).*)/,lookbehind:!0},"interpolated-string":null,extractor:{pattern:/\b[a-z_]\w*\|(?:[^\r\n\\|]|\\(?:\r\n|[\s\S]))*\|/i,greedy:!0,inside:{regex:{pattern:/(^re)\|[\s\S]+/,lookbehind:!0},function:/^\w+/,value:/\|[\s\S]+/}},identifier:{pattern:/`[^`]*`/,greedy:!0},function:/\b[a-z_]\w*(?=\s*(?:::\s*<|\())\b/,keyword:/\b(?:args|as|by|case|config|connect|connector|const|copy|create|default|define|deploy|drop|each|emit|end|erase|event|flow|fn|for|from|group|having|insert|into|intrinsic|let|links|match|merge|mod|move|of|operator|patch|pipeline|recur|script|select|set|sliding|state|stream|to|tumbling|update|use|when|where|window|with)\b/,boolean:/\b(?:false|null|true)\b/i,number:/\b(?:0b[01_]*|0x[0-9a-fA-F_]*|\d[\d_]*(?:\.\d[\d_]*)?(?:[Ee][+-]?[\d_]+)?)\b/,"pattern-punctuation":{pattern:/%(?=[({[])/,alias:"punctuation"},operator:/[-+*\/%~!^]=?|=[=>]?|&[&=]?|\|[|=]?|<<?=?|>>?>?=?|(?:absent|and|not|or|present|xor)\b/,punctuation:/::|[;\[\]()\{\},.:]/};var n='#\\{(?:[^"{}]|\\{[^{}]*\\}|"(?:[^"\\\\\r\n]|\\\\(?:\r\n|[^]))*")*\\}';e.languages.tremor["interpolated-string"]={pattern:RegExp('(^|[^\\\\])(?:"""(?:[^"\\\\#]|\\\\[^]|"(?!"")|#(?!\\{)|'+n+')*"""|"(?:[^"\\\\\r\n#]|\\\\(?:\r\n|[^])|#(?!\\{)|'+n+')*")'),lookbehind:!0,greedy:!0,inside:{interpolation:{pattern:RegExp(n),inside:{punctuation:/^#\{|\}$/,expression:{pattern:/[\s\S]+/,inside:e.languages.tremor}}},string:/[\s\S]+/}},e.languages.troy=e.languages.tremor,e.languages.trickle=e.languages.tremor}(Prism);