♻️ 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

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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-warpscript.js

@@ -1,21 +0,0 @@
-Prism.languages.warpscript = {
-	'comment': /#.*|\/\/.*|\/\*[\s\S]*?\*\//,
-	'string': {
-		pattern: /"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'|<'(?:[^\\']|'(?!>)|\\.)*'>/,
-		greedy: true
-	},
-	'variable': /\$\S+/,
-	'macro': {
-		pattern: /@\S+/,
-		alias: 'property'
-	},
-	// WarpScript doesn't have any keywords, these are all functions under the control category
-	// https://www.warp10.io/tags/control
-	'keyword': /\b(?:BREAK|CHECKMACRO|CONTINUE|CUDF|DEFINED|DEFINEDMACRO|EVAL|FAIL|FOR|FOREACH|FORSTEP|IFT|IFTE|MSGFAIL|NRETURN|RETHROW|RETURN|SWITCH|TRY|UDF|UNTIL|WHILE)\b/,
-	'number': /[+-]?\b(?:NaN|Infinity|\d+(?:\.\d*)?(?:[Ee][+-]?\d+)?|0x[\da-fA-F]+|0b[01]+)\b/,
-	'boolean': /\b(?:F|T|false|true)\b/,
-	'punctuation': /<%|%>|[{}[\]()]/,
-	// Some operators from the "operators" category
-	// https://www.warp10.io/tags/operators
-	'operator': /==|&&?|\|\|?|\*\*?|>>>?|<<|[<>!~]=?|[-/%^]|\+!?|\b(?:AND|NOT|OR)\b/
-};