♻️ 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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✅ Ready for Easypanel deployment (no root dir needed)

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

dealplustech-astro/node_modules/prismjs/components/prism-tt2.js

@@ -1,53 +0,0 @@
-(function (Prism) {
-
-	Prism.languages.tt2 = Prism.languages.extend('clike', {
-		'comment': /#.*|\[%#[\s\S]*?%\]/,
-		'keyword': /\b(?:BLOCK|CALL|CASE|CATCH|CLEAR|DEBUG|DEFAULT|ELSE|ELSIF|END|FILTER|FINAL|FOREACH|GET|IF|IN|INCLUDE|INSERT|LAST|MACRO|META|NEXT|PERL|PROCESS|RAWPERL|RETURN|SET|STOP|SWITCH|TAGS|THROW|TRY|UNLESS|USE|WHILE|WRAPPER)\b/,
-		'punctuation': /[[\]{},()]/
-	});
-
-	Prism.languages.insertBefore('tt2', 'number', {
-		'operator': /=[>=]?|!=?|<=?|>=?|&&|\|\|?|\b(?:and|not|or)\b/,
-		'variable': {
-			pattern: /\b[a-z]\w*(?:\s*\.\s*(?:\d+|\$?[a-z]\w*))*\b/i
-		}
-	});
-
-	Prism.languages.insertBefore('tt2', 'keyword', {
-		'delimiter': {
-			pattern: /^(?:\[%|%%)-?|-?%\]$/,
-			alias: 'punctuation'
-		}
-	});
-
-	Prism.languages.insertBefore('tt2', 'string', {
-		'single-quoted-string': {
-			pattern: /'[^\\']*(?:\\[\s\S][^\\']*)*'/,
-			greedy: true,
-			alias: 'string'
-		},
-		'double-quoted-string': {
-			pattern: /"[^\\"]*(?:\\[\s\S][^\\"]*)*"/,
-			greedy: true,
-			alias: 'string',
-			inside: {
-				'variable': {
-					pattern: /\$(?:[a-z]\w*(?:\.(?:\d+|\$?[a-z]\w*))*)/i
-				}
-			}
-		}
-	});
-
-	// The different types of TT2 strings "replace" the C-like standard string
-	delete Prism.languages.tt2.string;
-
-	Prism.hooks.add('before-tokenize', function (env) {
-		var tt2Pattern = /\[%[\s\S]+?%\]/g;
-		Prism.languages['markup-templating'].buildPlaceholders(env, 'tt2', tt2Pattern);
-	});
-
-	Prism.hooks.add('after-tokenize', function (env) {
-		Prism.languages['markup-templating'].tokenizePlaceholders(env, 'tt2');
-	});
-
-}(Prism));