♻️ 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/vite-plugin-astro-server/plugin.d.ts

@@ -1,21 +0,0 @@
-import type fs from 'node:fs';
-import type * as vite from 'vite';
-import type { SSRManifest } from '../core/app/types.js';
-import type { Logger } from '../core/logger/core.js';
-import type { AstroSettings, RoutesList } from '../types/astro.js';
-interface AstroPluginOptions {
-    settings: AstroSettings;
-    logger: Logger;
-    fs: typeof fs;
-    routesList: RoutesList;
-    manifest: SSRManifest;
-}
-export default function createVitePluginAstroServer({ settings, logger, fs: fsMod, routesList, manifest, }: AstroPluginOptions): vite.Plugin;
-/**
- * It creates a `SSRManifest` from the `AstroSettings`.
- *
- * Renderers needs to be pulled out from the page module emitted during the build.
- * @param settings
- */
-export declare function createDevelopmentManifest(settings: AstroSettings): SSRManifest;
-export {};