♻️ 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/semver/functions/parse.js

@@ -1,18 +0,0 @@
-'use strict'
-
-const SemVer = require('../classes/semver')
-const parse = (version, options, throwErrors = false) => {
-  if (version instanceof SemVer) {
-    return version
-  }
-  try {
-    return new SemVer(version, options)
-  } catch (er) {
-    if (!throwErrors) {
-      return null
-    }
-    throw er
-  }
-}
-
-module.exports = parse