♻️ 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-ini.js

@@ -1,42 +0,0 @@
-Prism.languages.ini = {
-
-	/**
-	 * The component mimics the behavior of the Win32 API parser.
-	 *
-	 * @see {@link https://github.com/PrismJS/prism/issues/2775#issuecomment-787477723}
-	 */
-
-	'comment': {
-		pattern: /(^[ \f\t\v]*)[#;][^\n\r]*/m,
-		lookbehind: true
-	},
-	'section': {
-		pattern: /(^[ \f\t\v]*)\[[^\n\r\]]*\]?/m,
-		lookbehind: true,
-		inside: {
-			'section-name': {
-				pattern: /(^\[[ \f\t\v]*)[^ \f\t\v\]]+(?:[ \f\t\v]+[^ \f\t\v\]]+)*/,
-				lookbehind: true,
-				alias: 'selector'
-			},
-			'punctuation': /\[|\]/
-		}
-	},
-	'key': {
-		pattern: /(^[ \f\t\v]*)[^ \f\n\r\t\v=]+(?:[ \f\t\v]+[^ \f\n\r\t\v=]+)*(?=[ \f\t\v]*=)/m,
-		lookbehind: true,
-		alias: 'attr-name'
-	},
-	'value': {
-		pattern: /(=[ \f\t\v]*)[^ \f\n\r\t\v]+(?:[ \f\t\v]+[^ \f\n\r\t\v]+)*/,
-		lookbehind: true,
-		alias: 'attr-value',
-		inside: {
-			'inner-value': {
-				pattern: /^("|').+(?=\1$)/,
-				lookbehind: true
-			}
-		}
-	},
-	'punctuation': /=/
-};