♻️ 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/@rollup/pluginutils/package.json

@@ -1,99 +0,0 @@
-{
-  "name": "@rollup/pluginutils",
-  "version": "5.3.0",
-  "publishConfig": {
-    "access": "public"
-  },
-  "description": "A set of utility functions commonly used by Rollup plugins",
-  "license": "MIT",
-  "repository": {
-    "url": "rollup/plugins",
-    "directory": "packages/pluginutils"
-  },
-  "author": "Rich Harris <richard.a.harris@gmail.com>",
-  "homepage": "https://github.com/rollup/plugins/tree/master/packages/pluginutils#readme",
-  "bugs": {
-    "url": "https://github.com/rollup/plugins/issues"
-  },
-  "main": "./dist/cjs/index.js",
-  "module": "./dist/es/index.js",
-  "type": "commonjs",
-  "exports": {
-    "types": "./types/index.d.ts",
-    "import": "./dist/es/index.js",
-    "default": "./dist/cjs/index.js"
-  },
-  "engines": {
-    "node": ">=14.0.0"
-  },
-  "files": [
-    "dist",
-    "!dist/**/*.map",
-    "types",
-    "README.md",
-    "LICENSE"
-  ],
-  "keywords": [
-    "rollup",
-    "plugin",
-    "utils"
-  ],
-  "peerDependencies": {
-    "rollup": "^1.20.0||^2.0.0||^3.0.0||^4.0.0"
-  },
-  "peerDependenciesMeta": {
-    "rollup": {
-      "optional": true
-    }
-  },
-  "dependencies": {
-    "@types/estree": "^1.0.0",
-    "estree-walker": "^2.0.2",
-    "picomatch": "^4.0.2"
-  },
-  "devDependencies": {
-    "@rollup/plugin-commonjs": "^23.0.0",
-    "@rollup/plugin-node-resolve": "^15.0.0",
-    "@rollup/plugin-typescript": "^9.0.1",
-    "@types/node": "^14.18.30",
-    "@types/picomatch": "^2.3.0",
-    "acorn": "^8.8.0",
-    "rollup": "^4.0.0-24",
-    "typescript": "^4.8.3"
-  },
-  "types": "./types/index.d.ts",
-  "ava": {
-    "extensions": [
-      "ts"
-    ],
-    "require": [
-      "ts-node/register"
-    ],
-    "workerThreads": false,
-    "files": [
-      "!**/fixtures/**",
-      "!**/helpers/**",
-      "!**/recipes/**",
-      "!**/types.ts"
-    ]
-  },
-  "nyc": {
-    "extension": [
-      ".js",
-      ".ts"
-    ]
-  },
-  "scripts": {
-    "build": "rollup -c",
-    "ci:coverage": "nyc pnpm test && nyc report --reporter=text-lcov > coverage.lcov",
-    "ci:lint": "pnpm build && pnpm lint",
-    "ci:lint:commits": "commitlint --from=${CIRCLE_BRANCH} --to=${CIRCLE_SHA1}",
-    "ci:test": "pnpm test -- --verbose",
-    "prebuild": "del-cli dist",
-    "prerelease": "pnpm build",
-    "pretest": "pnpm build --sourcemap",
-    "release": "pnpm --workspace-root package:release $(pwd)",
-    "test": "ava",
-    "test:ts": "tsc --noEmit"
-  }
-}