♻️ 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-julia.js

@@ -1,35 +0,0 @@
-Prism.languages.julia = {
-	'comment': {
-		// support one level of nested comments
-		// https://github.com/JuliaLang/julia/pull/6128
-		pattern: /(^|[^\\])(?:#=(?:[^#=]|=(?!#)|#(?!=)|#=(?:[^#=]|=(?!#)|#(?!=))*=#)*=#|#.*)/,
-		lookbehind: true
-	},
-	'regex': {
-		// https://docs.julialang.org/en/v1/manual/strings/#Regular-Expressions-1
-		pattern: /r"(?:\\.|[^"\\\r\n])*"[imsx]{0,4}/,
-		greedy: true
-	},
-	'string': {
-		// https://docs.julialang.org/en/v1/manual/strings/#String-Basics-1
-		// https://docs.julialang.org/en/v1/manual/strings/#non-standard-string-literals-1
-		// https://docs.julialang.org/en/v1/manual/running-external-programs/#Running-External-Programs-1
-		pattern: /"""[\s\S]+?"""|(?:\b\w+)?"(?:\\.|[^"\\\r\n])*"|`(?:[^\\`\r\n]|\\.)*`/,
-		greedy: true
-	},
-	'char': {
-		// https://docs.julialang.org/en/v1/manual/strings/#man-characters-1
-		pattern: /(^|[^\w'])'(?:\\[^\r\n][^'\r\n]*|[^\\\r\n])'/,
-		lookbehind: true,
-		greedy: true
-	},
-	'keyword': /\b(?:abstract|baremodule|begin|bitstype|break|catch|ccall|const|continue|do|else|elseif|end|export|finally|for|function|global|if|immutable|import|importall|in|let|local|macro|module|print|println|quote|return|struct|try|type|typealias|using|while)\b/,
-	'boolean': /\b(?:false|true)\b/,
-	'number': /(?:\b(?=\d)|\B(?=\.))(?:0[box])?(?:[\da-f]+(?:_[\da-f]+)*(?:\.(?:\d+(?:_\d+)*)?)?|\.\d+(?:_\d+)*)(?:[efp][+-]?\d+(?:_\d+)*)?j?/i,
-	// https://docs.julialang.org/en/v1/manual/mathematical-operations/
-	// https://docs.julialang.org/en/v1/manual/mathematical-operations/#Operator-Precedence-and-Associativity-1
-	'operator': /&&|\|\||[-+*^%÷⊻&$\\]=?|\/[\/=]?|!=?=?|\|[=>]?|<(?:<=?|[=:|])?|>(?:=|>>?=?)?|==?=?|[~≠≤≥'√∛]/,
-	'punctuation': /::?|[{}[\]();,.?]/,
-	// https://docs.julialang.org/en/v1/base/numbers/#Base.im
-	'constant': /\b(?:(?:Inf|NaN)(?:16|32|64)?|im|pi)\b|[πℯ]/
-};