♻️ 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/astro/dist/assets/build/generate.d.ts

@@ -1,23 +0,0 @@
-import type { BuildPipeline } from '../../core/build/pipeline.js';
-import type { Logger } from '../../core/logger/core.js';
-import type { MapValue } from '../../type-utils.js';
-import type { AstroConfig } from '../../types/public/config.js';
-import type { AssetsGlobalStaticImagesList } from '../types.js';
-type AssetEnv = {
-    logger: Logger;
-    isSSR: boolean;
-    count: {
-        total: number;
-        current: number;
-    };
-    useCache: boolean;
-    assetsCacheDir: URL;
-    serverRoot: URL;
-    clientRoot: URL;
-    imageConfig: AstroConfig['image'];
-    assetsFolder: AstroConfig['build']['assets'];
-};
-export declare function prepareAssetsGenerationEnv(pipeline: BuildPipeline, totalCount: number): Promise<AssetEnv>;
-export declare function generateImagesForPath(originalFilePath: string, transformsAndPath: MapValue<AssetsGlobalStaticImagesList>, env: AssetEnv): Promise<void>;
-export declare function getStaticImageList(): AssetsGlobalStaticImagesList;
-export {};