♻️ 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/@jridgewell/resolve-uri/README.md

@@ -1,40 +0,0 @@
-# @jridgewell/resolve-uri
-
-> Resolve a URI relative to an optional base URI
-
-Resolve any combination of absolute URIs, protocol-realtive URIs, absolute paths, or relative paths.
-
-## Installation
-
-```sh
-npm install @jridgewell/resolve-uri
-```
-
-## Usage
-
-```typescript
-function resolve(input: string, base?: string): string;
-```
-
-```js
-import resolve from '@jridgewell/resolve-uri';
-
-resolve('foo', 'https://example.com'); // => 'https://example.com/foo'
-```
-
-| Input                 | Base                    | Resolution                     | Explanation                                                  |
-|-----------------------|-------------------------|--------------------------------|--------------------------------------------------------------|
-| `https://example.com` | _any_                   | `https://example.com/`         | Input is normalized only                                     |
-| `//example.com`       | `https://base.com/`     | `https://example.com/`         | Input inherits the base's protocol                           |
-| `//example.com`       | _rest_                  | `//example.com/`               | Input is normalized only                                     |
-| `/example`            | `https://base.com/`     | `https://base.com/example`     | Input inherits the base's origin                             |
-| `/example`            | `//base.com/`           | `//base.com/example`           | Input inherits the base's host and remains protocol relative |
-| `/example`            | _rest_                  | `/example`                     | Input is normalized only                                     |
-| `example`             | `https://base.com/dir/` | `https://base.com/dir/example` | Input is joined with the base                                |
-| `example`             | `https://base.com/file` | `https://base.com/example`     | Input is joined with the base without its file               |
-| `example`             | `//base.com/dir/`       | `//base.com/dir/example`       | Input is joined with the base's last directory               |
-| `example`             | `//base.com/file`       | `//base.com/example`           | Input is joined with the base without its file               |
-| `example`             | `/base/dir/`            | `/base/dir/example`            | Input is joined with the base's last directory               |
-| `example`             | `/base/file`            | `/base/example`                | Input is joined with the base without its file               |
-| `example`             | `base/dir/`             | `base/dir/example`             | Input is joined with the base's last directory               |
-| `example`             | `base/file`             | `base/example`                 | Input is joined with the base without its file               |