♻️ 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

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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/astro/dist/assets/utils/transformToPath.d.ts

@@ -1,33 +0,0 @@
-import type { ImageTransform } from '../types.js';
-/**
- * Converts a file path and transformation properties of the transformation image service, into a formatted filename.
- *
- * The formatted filename follows this structure:
- *
- * `<prefixDirname>/<baseFilename>_<hash><outputExtension>`
- *
- * - `prefixDirname`: If the image is an ESM imported image, this is the directory name of the original file path; otherwise, it will be an empty string.
- * - `baseFilename`: The base name of the file or a hashed short name if the file is a `data:` URI.
- * - `hash`: A unique hash string generated to distinguish the transformed file.
- * - `outputExtension`: The desired output file extension derived from the `transform.format` or the original file extension.
- *
- * ## Example
- * - Input: `filePath = '/images/photo.jpg'`, `transform = { format: 'png', src: '/images/photo.jpg' }`, `hash = 'abcd1234'`.
- * - Output: `/images/photo_abcd1234.png`
- *
- * @param {string} filePath - The original file path or data URI of the source image.
- * @param {ImageTransform} transform - An object representing the transformation properties, including format and source.
- * @param {string} hash - A unique hash used to differentiate the transformed file.
- * @return {string} The generated filename based on the provided input, transformations, and hash.
- */
-export declare function propsToFilename(filePath: string, transform: ImageTransform, hash: string): string;
-/**
- * Transforms the provided `transform` object into a hash string based on selected properties
- * and the specified `imageService`.
- *
- * @param {ImageTransform} transform - The transform object containing various image transformation properties.
- * @param {string} imageService - The name of the image service related to the transform.
- * @param {string[]} propertiesToHash - An array of property names from the `transform` object that should be used to generate the hash.
- * @return {string} A hashed string created from the specified properties of the `transform` object and the image service.
- */
-export declare function hashTransform(transform: ImageTransform, imageService: string, propertiesToHash: string[]): string;