♻️ 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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✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/is-fullwidth-code-point/readme.md

@@ -1,39 +0,0 @@
-# is-fullwidth-code-point [![Build Status](https://travis-ci.org/sindresorhus/is-fullwidth-code-point.svg?branch=master)](https://travis-ci.org/sindresorhus/is-fullwidth-code-point)
-
-> Check if the character represented by a given [Unicode code point](https://en.wikipedia.org/wiki/Code_point) is [fullwidth](https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms)
-
-
-## Install
-
-```
-$ npm install is-fullwidth-code-point
-```
-
-
-## Usage
-
-```js
-const isFullwidthCodePoint = require('is-fullwidth-code-point');
-
-isFullwidthCodePoint('谢'.codePointAt(0));
-//=> true
-
-isFullwidthCodePoint('a'.codePointAt(0));
-//=> false
-```
-
-
-## API
-
-### isFullwidthCodePoint(codePoint)
-
-#### codePoint
-
-Type: `number`
-
-The [code point](https://en.wikipedia.org/wiki/Code_point) of a character.
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)