♻️ 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-cypher.js

@@ -1,36 +0,0 @@
-Prism.languages.cypher = {
-	// https://neo4j.com/docs/cypher-manual/current/syntax/comments/
-	'comment': /\/\/.*/,
-	'string': {
-		pattern: /"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'/,
-		greedy: true
-	},
-	'class-name': {
-		pattern: /(:\s*)(?:\w+|`(?:[^`\\\r\n])*`)(?=\s*[{):])/,
-		lookbehind: true,
-		greedy: true
-	},
-	'relationship': {
-		pattern: /(-\[\s*(?:\w+\s*|`(?:[^`\\\r\n])*`\s*)?:\s*|\|\s*:\s*)(?:\w+|`(?:[^`\\\r\n])*`)/,
-		lookbehind: true,
-		greedy: true,
-		alias: 'property'
-	},
-	'identifier': {
-		pattern: /`(?:[^`\\\r\n])*`/,
-		greedy: true
-	},
-
-	'variable': /\$\w+/,
-
-	// https://neo4j.com/docs/cypher-manual/current/syntax/reserved/
-	'keyword': /\b(?:ADD|ALL|AND|AS|ASC|ASCENDING|ASSERT|BY|CALL|CASE|COMMIT|CONSTRAINT|CONTAINS|CREATE|CSV|DELETE|DESC|DESCENDING|DETACH|DISTINCT|DO|DROP|ELSE|END|ENDS|EXISTS|FOR|FOREACH|IN|INDEX|IS|JOIN|KEY|LIMIT|LOAD|MANDATORY|MATCH|MERGE|NODE|NOT|OF|ON|OPTIONAL|OR|ORDER(?=\s+BY)|PERIODIC|REMOVE|REQUIRE|RETURN|SCALAR|SCAN|SET|SKIP|START|STARTS|THEN|UNION|UNIQUE|UNWIND|USING|WHEN|WHERE|WITH|XOR|YIELD)\b/i,
-
-	'function': /\b\w+\b(?=\s*\()/,
-
-	'boolean': /\b(?:false|null|true)\b/i,
-	'number': /\b(?:0x[\da-fA-F]+|\d+(?:\.\d+)?(?:[eE][+-]?\d+)?)\b/,
-	// https://neo4j.com/docs/cypher-manual/current/syntax/operators/
-	'operator': /:|<--?|--?>?|<>|=~?|[<>]=?|[+*/%^|]|\.\.\.?/,
-	'punctuation': /[()[\]{},;.]/
-};