♻️ 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/query.js

@@ -1,26 +0,0 @@
-function parseAstroRequest(id) {
-  const [filename, rawQuery] = id.split(`?`, 2);
-  const query = Object.fromEntries(new URLSearchParams(rawQuery).entries());
-  if (query.astro != null) {
-    query.astro = true;
-  }
-  if (query.src != null) {
-    query.src = true;
-  }
-  if (query.index != null) {
-    query.index = Number(query.index);
-  }
-  if (query.raw != null) {
-    query.raw = true;
-  }
-  if (query.inline != null) {
-    query.inline = true;
-  }
-  return {
-    filename,
-    query
-  };
-}
-export {
-  parseAstroRequest
-};