♻️ 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/string-width/package.json

@@ -1,64 +0,0 @@
-{
-	"name": "string-width",
-	"version": "7.2.0",
-	"description": "Get the visual width of a string - the number of columns required to display it",
-	"license": "MIT",
-	"repository": "sindresorhus/string-width",
-	"funding": "https://github.com/sponsors/sindresorhus",
-	"author": {
-		"name": "Sindre Sorhus",
-		"email": "sindresorhus@gmail.com",
-		"url": "https://sindresorhus.com"
-	},
-	"type": "module",
-	"exports": {
-		"types": "./index.d.ts",
-		"default": "./index.js"
-	},
-	"sideEffects": false,
-	"engines": {
-		"node": ">=18"
-	},
-	"scripts": {
-		"test": "xo && ava && tsd"
-	},
-	"files": [
-		"index.js",
-		"index.d.ts"
-	],
-	"keywords": [
-		"string",
-		"character",
-		"unicode",
-		"width",
-		"visual",
-		"column",
-		"columns",
-		"fullwidth",
-		"full-width",
-		"full",
-		"ansi",
-		"escape",
-		"codes",
-		"cli",
-		"command-line",
-		"terminal",
-		"console",
-		"cjk",
-		"chinese",
-		"japanese",
-		"korean",
-		"fixed-width",
-		"east-asian-width"
-	],
-	"dependencies": {
-		"emoji-regex": "^10.3.0",
-		"get-east-asian-width": "^1.0.0",
-		"strip-ansi": "^7.1.0"
-	},
-	"devDependencies": {
-		"ava": "^5.3.1",
-		"tsd": "^0.29.0",
-		"xo": "^0.56.0"
-	}
-}