♻️ 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-handlebars.js

@@ -1,40 +0,0 @@
-(function (Prism) {
-
-	Prism.languages.handlebars = {
-		'comment': /\{\{![\s\S]*?\}\}/,
-		'delimiter': {
-			pattern: /^\{\{\{?|\}\}\}?$/,
-			alias: 'punctuation'
-		},
-		'string': /(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,
-		'number': /\b0x[\dA-Fa-f]+\b|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:[Ee][+-]?\d+)?/,
-		'boolean': /\b(?:false|true)\b/,
-		'block': {
-			pattern: /^(\s*(?:~\s*)?)[#\/]\S+?(?=\s*(?:~\s*)?$|\s)/,
-			lookbehind: true,
-			alias: 'keyword'
-		},
-		'brackets': {
-			pattern: /\[[^\]]+\]/,
-			inside: {
-				punctuation: /\[|\]/,
-				variable: /[\s\S]+/
-			}
-		},
-		'punctuation': /[!"#%&':()*+,.\/;<=>@\[\\\]^`{|}~]/,
-		'variable': /[^!"#%&'()*+,\/;<=>@\[\\\]^`{|}~\s]+/
-	};
-
-	Prism.hooks.add('before-tokenize', function (env) {
-		var handlebarsPattern = /\{\{\{[\s\S]+?\}\}\}|\{\{[\s\S]+?\}\}/g;
-		Prism.languages['markup-templating'].buildPlaceholders(env, 'handlebars', handlebarsPattern);
-	});
-
-	Prism.hooks.add('after-tokenize', function (env) {
-		Prism.languages['markup-templating'].tokenizePlaceholders(env, 'handlebars');
-	});
-
-	Prism.languages.hbs = Prism.languages.handlebars;
-	Prism.languages.mustache = Prism.languages.handlebars;
-
-}(Prism));