♻️ 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/resolve.js

@@ -1,9 +0,0 @@
-import { resolveIdToUrl } from "../core/viteUtils.js";
-function createResolve(loader, root) {
-  return async function(s) {
-    return await resolveIdToUrl(loader, s, root);
-  };
-}
-export {
-  createResolve
-};