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

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

@@ -1 +0,0 @@
-Prism.languages.livescript={comment:[{pattern:/(^|[^\\])\/\*[\s\S]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\])#.*/,lookbehind:!0}],"interpolated-string":{pattern:/(^|[^"])("""|")(?:\\[\s\S]|(?!\2)[^\\])*\2(?!")/,lookbehind:!0,greedy:!0,inside:{variable:{pattern:/(^|[^\\])#[a-z_](?:-?[a-z]|[\d_])*/m,lookbehind:!0},interpolation:{pattern:/(^|[^\\])#\{[^}]+\}/m,lookbehind:!0,inside:{"interpolation-punctuation":{pattern:/^#\{|\}$/,alias:"variable"}}},string:/[\s\S]+/}},string:[{pattern:/('''|')(?:\\[\s\S]|(?!\1)[^\\])*\1/,greedy:!0},{pattern:/<\[[\s\S]*?\]>/,greedy:!0},/\\[^\s,;\])}]+/],regex:[{pattern:/\/\/(?:\[[^\r\n\]]*\]|\\.|(?!\/\/)[^\\\[])+\/\/[gimyu]{0,5}/,greedy:!0,inside:{comment:{pattern:/(^|[^\\])#.*/,lookbehind:!0}}},{pattern:/\/(?:\[[^\r\n\]]*\]|\\.|[^/\\\r\n\[])+\/[gimyu]{0,5}/,greedy:!0}],keyword:{pattern:/(^|(?!-).)\b(?:break|case|catch|class|const|continue|default|do|else|extends|fallthrough|finally|for(?: ever)?|function|if|implements|it|let|loop|new|null|otherwise|own|return|super|switch|that|then|this|throw|try|unless|until|var|void|when|while|yield)(?!-)\b/m,lookbehind:!0},"keyword-operator":{pattern:/(^|[^-])\b(?:(?:delete|require|typeof)!|(?:and|by|delete|export|from|import(?: all)?|in|instanceof|is(?: not|nt)?|not|of|or|til|to|typeof|with|xor)(?!-)\b)/m,lookbehind:!0,alias:"operator"},boolean:{pattern:/(^|[^-])\b(?:false|no|off|on|true|yes)(?!-)\b/m,lookbehind:!0},argument:{pattern:/(^|(?!\.&\.)[^&])&(?!&)\d*/m,lookbehind:!0,alias:"variable"},number:/\b(?:\d+~[\da-z]+|\d[\d_]*(?:\.\d[\d_]*)?(?:[a-z]\w*)?)/i,identifier:/[a-z_](?:-?[a-z]|[\d_])*/i,operator:[{pattern:/( )\.(?= )/,lookbehind:!0},/\.(?:[=~]|\.\.?)|\.(?:[&|^]|<<|>>>?)\.|:(?:=|:=?)|&&|\|[|>]|<(?:<<?<?|--?!?|~~?!?|[|=?])?|>[>=?]?|-(?:->?|>)?|\+\+?|@@?|%%?|\*\*?|!(?:~?=|--?>|~?~>)?|~(?:~?>|=)?|==?|\^\^?|[\/?]/],punctuation:/[(){}\[\]|.,:;`]/},Prism.languages.livescript["interpolated-string"].inside.interpolation.inside.rest=Prism.languages.livescript;