refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/astro/dist/assets/services/sharp.d.ts

@@ -0,0 +1,14 @@
+import type { ResizeOptions, SharpOptions } from 'sharp';
+import { type LocalImageService } from './service.js';
+export interface SharpImageServiceConfig {
+    /**
+     * The `limitInputPixels` option passed to Sharp. See https://sharp.pixelplumbing.com/api-constructor for more information
+     */
+    limitInputPixels?: SharpOptions['limitInputPixels'];
+    /**
+     * The `kernel` option is passed to resize calls. See https://sharp.pixelplumbing.com/api-resize/ for more information
+     */
+    kernel?: ResizeOptions['kernel'];
+}
+declare const sharpService: LocalImageService<SharpImageServiceConfig>;
+export default sharpService;