♻️ 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
✅ Cookie consent banner included
✅ 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-gradle.js

@@ -1,63 +0,0 @@
-(function (Prism) {
-	var interpolation = {
-		pattern: /((?:^|[^\\$])(?:\\{2})*)\$(?:\w+|\{[^{}]*\})/,
-		lookbehind: true,
-		inside: {
-			'interpolation-punctuation': {
-				pattern: /^\$\{?|\}$/,
-				alias: 'punctuation',
-			},
-			'expression': {
-				pattern: /[\s\S]+/,
-				inside: null,
-			},
-		},
-	};
-
-	Prism.languages.gradle = Prism.languages.extend('clike', {
-		'string': {
-			pattern: /'''(?:[^\\]|\\[\s\S])*?'''|'(?:\\.|[^\\'\r\n])*'/,
-			greedy: true,
-		},
-		'keyword':
-			/\b(?:apply|def|dependencies|else|if|implementation|import|plugin|plugins|project|repositories|repository|sourceSets|tasks|val)\b/,
-		'number': /\b(?:0b[01_]+|0x[\da-f_]+(?:\.[\da-f_p\-]+)?|[\d_]+(?:\.[\d_]+)?(?:e[+-]?\d+)?)[glidf]?\b/i,
-		'operator': {
-			pattern:
-				/(^|[^.])(?:~|==?~?|\?[.:]?|\*(?:[.=]|\*=?)?|\.[@&]|\.\.<|\.\.(?!\.)|-[-=>]?|\+[+=]?|!=?|<(?:<=?|=>?)?|>(?:>>?=?|=)?|&[&=]?|\|[|=]?|\/=?|\^=?|%=?)/,
-			lookbehind: true,
-		},
-		'punctuation': /\.+|[{}[\];(),:$]/,
-	});
-
-	Prism.languages.insertBefore('gradle', 'string', {
-		'shebang': {
-			pattern: /#!.+/,
-			alias: 'comment',
-			greedy: true,
-		},
-		'interpolation-string': {
-			pattern:
-				/"""(?:[^\\]|\\[\s\S])*?"""|(["/])(?:\\.|(?!\1)[^\\\r\n])*\1|\$\/(?:[^/$]|\$(?:[/$]|(?![/$]))|\/(?!\$))*\/\$/,
-			greedy: true,
-			inside: {
-				'interpolation': interpolation,
-				'string': /[\s\S]+/,
-			},
-		},
-	});
-
-	Prism.languages.insertBefore('gradle', 'punctuation', {
-		'spock-block': /\b(?:and|cleanup|expect|given|setup|then|when|where):/,
-	});
-
-	Prism.languages.insertBefore('gradle', 'function', {
-		'annotation': {
-			pattern: /(^|[^.])@\w+/,
-			lookbehind: true,
-			alias: 'punctuation',
-		},
-	});
-
-	interpolation.inside.expression.inside = Prism.languages.gradle;
-}(Prism));