♻️ 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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✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/prismjs/components/prism-neon.js

@@ -1,40 +0,0 @@
-Prism.languages.neon = {
-	'comment': {
-		pattern: /#.*/,
-		greedy: true
-	},
-	'datetime': {
-		pattern: /(^|[[{(=:,\s])\d\d\d\d-\d\d?-\d\d?(?:(?:[Tt]| +)\d\d?:\d\d:\d\d(?:\.\d*)? *(?:Z|[-+]\d\d?(?::?\d\d)?)?)?(?=$|[\]}),\s])/,
-		lookbehind: true,
-		alias: 'number'
-	},
-	'key': {
-		pattern: /(^|[[{(,\s])[^,:=[\]{}()'"\s]+(?=\s*:(?:$|[\]}),\s])|\s*=)/,
-		lookbehind: true,
-		alias: 'property'
-	},
-	'number': {
-		pattern: /(^|[[{(=:,\s])[+-]?(?:0x[\da-fA-F]+|0o[0-7]+|0b[01]+|(?:\d+(?:\.\d*)?|\.?\d+)(?:[eE][+-]?\d+)?)(?=$|[\]}),:=\s])/,
-		lookbehind: true
-	},
-	'boolean': {
-		pattern: /(^|[[{(=:,\s])(?:false|no|true|yes)(?=$|[\]}),:=\s])/i,
-		lookbehind: true
-	},
-	'null': {
-		pattern: /(^|[[{(=:,\s])(?:null)(?=$|[\]}),:=\s])/i,
-		lookbehind: true,
-		alias: 'keyword'
-	},
-	'string': {
-		pattern: /(^|[[{(=:,\s])(?:('''|""")\r?\n(?:(?:[^\r\n]|\r?\n(?![\t ]*\2))*\r?\n)?[\t ]*\2|'[^'\r\n]*'|"(?:\\.|[^\\"\r\n])*")/,
-		lookbehind: true,
-		greedy: true
-	},
-	'literal': {
-		pattern: /(^|[[{(=:,\s])(?:[^#"',:=[\]{}()\s`-]|[:-][^"',=[\]{}()\s])(?:[^,:=\]})(\s]|:(?![\s,\]})]|$)|[ \t]+[^#,:=\]})(\s])*/,
-		lookbehind: true,
-		alias: 'string',
-	},
-	'punctuation': /[,:=[\]{}()-]/,
-};