♻️ 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
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✅ 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/p-limit/package.json

@@ -1,58 +0,0 @@
-{
-	"name": "p-limit",
-	"version": "6.2.0",
-	"description": "Run multiple promise-returning & async functions with limited concurrency",
-	"license": "MIT",
-	"repository": "sindresorhus/p-limit",
-	"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": [
-		"promise",
-		"limit",
-		"limited",
-		"concurrency",
-		"throttle",
-		"throat",
-		"rate",
-		"batch",
-		"ratelimit",
-		"task",
-		"queue",
-		"async",
-		"await",
-		"promises",
-		"bluebird"
-	],
-	"dependencies": {
-		"yocto-queue": "^1.1.1"
-	},
-	"devDependencies": {
-		"ava": "^6.1.3",
-		"delay": "^6.0.0",
-		"in-range": "^3.0.0",
-		"random-int": "^3.0.0",
-		"time-span": "^5.1.0",
-		"tsd": "^0.31.1",
-		"xo": "^0.58.0"
-	}
-}