♻️ 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-rego.js

@@ -1,30 +0,0 @@
-// https://www.openpolicyagent.org/docs/latest/policy-reference/
-
-Prism.languages.rego = {
-	'comment': /#.*/,
-	'property': {
-		pattern: /(^|[^\\.])(?:"(?:\\.|[^\\"\r\n])*"|`[^`]*`|\b[a-z_]\w*\b)(?=\s*:(?!=))/i,
-		lookbehind: true,
-		greedy: true
-	},
-	'string': {
-		pattern: /(^|[^\\])"(?:\\.|[^\\"\r\n])*"|`[^`]*`/,
-		lookbehind: true,
-		greedy: true
-	},
-
-	'keyword': /\b(?:as|default|else|import|not|null|package|set(?=\s*\()|some|with)\b/,
-	'boolean': /\b(?:false|true)\b/,
-
-	'function': {
-		pattern: /\b[a-z_]\w*\b(?:\s*\.\s*\b[a-z_]\w*\b)*(?=\s*\()/i,
-		inside: {
-			'namespace': /\b\w+\b(?=\s*\.)/,
-			'punctuation': /\./
-		}
-	},
-
-	'number': /-?\b\d+(?:\.\d+)?(?:e[+-]?\d+)?\b/i,
-	'operator': /[-+*/%|&]|[<>:=]=?|!=|\b_\b/,
-	'punctuation': /[,;.\[\]{}()]/
-};