♻️ 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-icon.js

@@ -1,20 +0,0 @@
-Prism.languages.icon = {
-	'comment': /#.*/,
-	'string': {
-		pattern: /(["'])(?:(?!\1)[^\\\r\n_]|\\.|_(?!\1)(?:\r\n|[\s\S]))*\1/,
-		greedy: true
-	},
-	'number': /\b(?:\d+r[a-z\d]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)\b|\.\d+\b/i,
-	'builtin-keyword': {
-		pattern: /&(?:allocated|ascii|clock|collections|cset|current|date|dateline|digits|dump|e|error(?:number|text|value)?|errout|fail|features|file|host|input|lcase|letters|level|line|main|null|output|phi|pi|pos|progname|random|regions|source|storage|subject|time|trace|ucase|version)\b/,
-		alias: 'variable'
-	},
-	'directive': {
-		pattern: /\$\w+/,
-		alias: 'builtin'
-	},
-	'keyword': /\b(?:break|by|case|create|default|do|else|end|every|fail|global|if|initial|invocable|link|local|next|not|of|procedure|record|repeat|return|static|suspend|then|to|until|while)\b/,
-	'function': /\b(?!\d)\w+(?=\s*[({]|\s*!\s*\[)/,
-	'operator': /[+-]:(?!=)|(?:[\/?@^%&]|\+\+?|--?|==?=?|~==?=?|\*\*?|\|\|\|?|<(?:->?|<?=?)|>>?=?)(?::=)?|:(?:=:?)?|[!.\\|~]/,
-	'punctuation': /[\[\](){},;]/
-};