♻️ 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-rip.js

@@ -1,38 +0,0 @@
-Prism.languages.rip = {
-	'comment': {
-		pattern: /#.*/,
-		greedy: true
-	},
-
-	'char': {
-		pattern: /\B`[^\s`'",.:;#\/\\()<>\[\]{}]\b/,
-		greedy: true
-	},
-	'string': {
-		pattern: /("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,
-		greedy: true
-	},
-
-	'regex': {
-		pattern: /(^|[^/])\/(?!\/)(?:\[[^\n\r\]]*\]|\\.|[^/\\\r\n\[])+\/(?=\s*(?:$|[\r\n,.;})]))/,
-		lookbehind: true,
-		greedy: true
-	},
-
-	'keyword': /(?:=>|->)|\b(?:case|catch|class|else|exit|finally|if|raise|return|switch|try)\b/,
-
-	'builtin': /@|\bSystem\b/,
-
-	'boolean': /\b(?:false|true)\b/,
-
-	'date': /\b\d{4}-\d{2}-\d{2}\b/,
-	'time': /\b\d{2}:\d{2}:\d{2}\b/,
-	'datetime': /\b\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\b/,
-
-	'symbol': /:[^\d\s`'",.:;#\/\\()<>\[\]{}][^\s`'",.:;#\/\\()<>\[\]{}]*/,
-	'number': /[+-]?\b(?:\d+\.\d+|\d+)\b/,
-
-	'punctuation': /(?:\.{2,3})|[`,.:;=\/\\()<>\[\]{}]/,
-
-	'reference': /[^\d\s`'",.:;#\/\\()<>\[\]{}][^\s`'",.:;#\/\\()<>\[\]{}]*/
-};