♻️ 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
✅ Cookie consent banner included
✅ 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/ci-info/package.json

@@ -1,54 +0,0 @@
-{
-  "name": "ci-info",
-  "version": "4.4.0",
-  "description": "Get details about the current Continuous Integration environment",
-  "main": "index.js",
-  "typings": "index.d.ts",
-  "type": "commonjs",
-  "author": "Thomas Watson Steen <w@tson.dk> (https://twitter.com/wa7son)",
-  "license": "MIT",
-  "repository": "github:watson/ci-info",
-  "bugs": "https://github.com/watson/ci-info/issues",
-  "homepage": "https://github.com/watson/ci-info",
-  "contributors": [
-    {
-      "name": "Sibiraj",
-      "url": "https://github.com/sibiraj-s"
-    }
-  ],
-  "funding": [
-    {
-      "type": "github",
-      "url": "https://github.com/sponsors/sibiraj-s"
-    }
-  ],
-  "keywords": [
-    "ci",
-    "continuous",
-    "integration",
-    "test",
-    "detect"
-  ],
-  "files": [
-    "vendors.json",
-    "index.js",
-    "index.d.ts",
-    "CHANGELOG.md"
-  ],
-  "scripts": {
-    "build": "node sort-vendors.js && node create-typings.js",
-    "lint:fix": "standard --fix",
-    "test": "standard && node test.js",
-    "prepare": "husky install || true"
-  },
-  "devDependencies": {
-    "clear-module": "^4.1.2",
-    "husky": "^9.1.7",
-    "publint": "^0.3.12",
-    "standard": "^17.1.2",
-    "tape": "^5.9.0"
-  },
-  "engines": {
-    "node": ">=8"
-  }
-}