♻️ 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/prompts/package.json

@@ -1,53 +0,0 @@
-{
-  "name": "prompts",
-  "version": "2.4.2",
-  "description": "Lightweight, beautiful and user-friendly prompts",
-  "license": "MIT",
-  "repository": "terkelg/prompts",
-  "main": "index.js",
-  "author": {
-    "name": "Terkel Gjervig",
-    "email": "terkel@terkel.com",
-    "url": "https://terkel.com"
-  },
-  "files": [
-    "lib",
-    "dist",
-    "index.js"
-  ],
-  "scripts": {
-    "start": "node lib/index.js",
-    "build": "babel lib -d dist",
-    "prepublishOnly": "npm run build",
-    "test": "tape test/*.js | tap-spec"
-  },
-  "keywords": [
-    "ui",
-    "prompts",
-    "cli",
-    "prompt",
-    "interface",
-    "command-line",
-    "input",
-    "command",
-    "stdin",
-    "menu",
-    "ask",
-    "interact"
-  ],
-  "dependencies": {
-    "kleur": "^3.0.3",
-    "sisteransi": "^1.0.5"
-  },
-  "devDependencies": {
-    "@babel/cli": "^7.12.1",
-    "@babel/core": "^7.12.3",
-    "@babel/plugin-proposal-object-rest-spread": "^7.12.1",
-    "@babel/preset-env": "^7.12.1",
-    "tap-spec": "^2.2.2",
-    "tape": "^4.13.3"
-  },
-  "engines": {
-    "node": ">= 6"
-  }
-}