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/utils/queryParams.d.ts

@@ -0,0 +1,11 @@
+import type { ImageMetadata } from '../types.js';
+/**
+ * Extracts the original image query parameters (width, height, format) from the given `URLSearchParams` object
+ * and returns them as an object. If any of the required parameters are missing or invalid, the function returns undefined.
+ *
+ * The `width` and `height` are parsed to integer values.
+ *
+ * @param {URLSearchParams} params - The `URLSearchParams` object containing the query parameters.
+ * @return {Pick<ImageMetadata, 'width' | 'height' | 'format'> | undefined} An object with the original image parameters (width, height, format) or undefined if any parameter is missing.
+ */
+export declare function getOrigQueryParams(params: URLSearchParams): Pick<ImageMetadata, 'width' | 'height' | 'format'> | undefined;