♻️ 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/index.js

@@ -1,35 +0,0 @@
-import {
-  isRemoteAllowed,
-  matchHostname,
-  matchPathname,
-  matchPattern,
-  matchPort,
-  matchProtocol
-} from "@astrojs/internal-helpers/remote";
-import { isESMImportedImage, isRemoteImage, resolveSrc } from "./imageKind.js";
-import { imageMetadata } from "./metadata.js";
-import {
-  emitESMImage,
-  emitImageMetadata
-} from "./node/emitAsset.js";
-import { getOrigQueryParams } from "./queryParams.js";
-import { inferRemoteSize } from "./remoteProbe.js";
-import { hashTransform, propsToFilename } from "./transformToPath.js";
-export {
-  emitESMImage,
-  emitImageMetadata,
-  getOrigQueryParams,
-  hashTransform,
-  imageMetadata,
-  inferRemoteSize,
-  isESMImportedImage,
-  isRemoteAllowed,
-  isRemoteImage,
-  matchHostname,
-  matchPathname,
-  matchPattern,
-  matchPort,
-  matchProtocol,
-  propsToFilename,
-  resolveSrc
-};