♻️ 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-dhall.js

@@ -1,69 +0,0 @@
-// ABNF grammar:
-// https://github.com/dhall-lang/dhall-lang/blob/master/standard/dhall.abnf
-
-Prism.languages.dhall = {
-	// Multi-line comments can be nested. E.g. {- foo {- bar -} -}
-	// The multi-line pattern is essentially this:
-	//   \{-(?:[^-{]|-(?!\})|\{(?!-)|<SELF>)*-\}
-	'comment': /--.*|\{-(?:[^-{]|-(?!\})|\{(?!-)|\{-(?:[^-{]|-(?!\})|\{(?!-))*-\})*-\}/,
-	'string': {
-		pattern: /"(?:[^"\\]|\\.)*"|''(?:[^']|'(?!')|'''|''\$\{)*''(?!'|\$)/,
-		greedy: true,
-		inside: {
-			'interpolation': {
-				pattern: /\$\{[^{}]*\}/,
-				inside: {
-					'expression': {
-						pattern: /(^\$\{)[\s\S]+(?=\}$)/,
-						lookbehind: true,
-						alias: 'language-dhall',
-						inside: null // see blow
-					},
-					'punctuation': /\$\{|\}/
-				}
-			}
-		}
-	},
-	'label': {
-		pattern: /`[^`]*`/,
-		greedy: true
-	},
-	'url': {
-		// https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L596
-		pattern: /\bhttps?:\/\/[\w.:%!$&'*+;=@~-]+(?:\/[\w.:%!$&'*+;=@~-]*)*(?:\?[/?\w.:%!$&'*+;=@~-]*)?/,
-		greedy: true
-	},
-	'env': {
-		// https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L661
-		pattern: /\benv:(?:(?!\d)\w+|"(?:[^"\\=]|\\.)*")/,
-		greedy: true,
-		inside: {
-			'function': /^env/,
-			'operator': /^:/,
-			'variable': /[\s\S]+/
-		}
-	},
-	'hash': {
-		// https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L725
-		pattern: /\bsha256:[\da-fA-F]{64}\b/,
-		inside: {
-			'function': /sha256/,
-			'operator': /:/,
-			'number': /[\da-fA-F]{64}/
-		}
-	},
-
-	// https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L359
-	'keyword': /\b(?:as|assert|else|forall|if|in|let|merge|missing|then|toMap|using|with)\b|\u2200/,
-	'builtin': /\b(?:None|Some)\b/,
-
-	'boolean': /\b(?:False|True)\b/,
-	'number': /\bNaN\b|-?\bInfinity\b|[+-]?\b(?:0x[\da-fA-F]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)\b/,
-	'operator': /\/\\|\/\/\\\\|&&|\|\||===|[!=]=|\/\/|->|\+\+|::|[+*#@=:?<>|\\\u2227\u2a53\u2261\u2afd\u03bb\u2192]/,
-	'punctuation': /\.\.|[{}\[\](),./]/,
-
-	// we'll just assume that every capital word left is a type name
-	'class-name': /\b[A-Z]\w*\b/
-};
-
-Prism.languages.dhall.string.inside.interpolation.inside.expression.inside = Prism.languages.dhall;