♻️ 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/acorn/package.json

@@ -1,50 +0,0 @@
-{
-  "name": "acorn",
-  "description": "ECMAScript parser",
-  "homepage": "https://github.com/acornjs/acorn",
-  "main": "dist/acorn.js",
-  "types": "dist/acorn.d.ts",
-  "module": "dist/acorn.mjs",
-  "exports": {
-    ".": [
-      {
-        "import": "./dist/acorn.mjs",
-        "require": "./dist/acorn.js",
-        "default": "./dist/acorn.js"
-      },
-      "./dist/acorn.js"
-    ],
-    "./package.json": "./package.json"
-  },
-  "version": "8.16.0",
-  "engines": {
-    "node": ">=0.4.0"
-  },
-  "maintainers": [
-    {
-      "name": "Marijn Haverbeke",
-      "email": "marijnh@gmail.com",
-      "web": "https://marijnhaverbeke.nl"
-    },
-    {
-      "name": "Ingvar Stepanyan",
-      "email": "me@rreverser.com",
-      "web": "https://rreverser.com/"
-    },
-    {
-      "name": "Adrian Heine",
-      "web": "http://adrianheine.de"
-    }
-  ],
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/acornjs/acorn.git"
-  },
-  "license": "MIT",
-  "scripts": {
-    "prepare": "cd ..; npm run build:main"
-  },
-  "bin": {
-    "acorn": "bin/acorn"
-  }
-}