♻️ 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/import-meta-resolve/index.d.ts

@@ -1,19 +0,0 @@
-/**
- * Match `import.meta.resolve` except that `parent` is required (you can pass
- * `import.meta.url`).
- *
- * @param {string} specifier
- *   The module specifier to resolve relative to parent
- *   (`/example.js`, `./example.js`, `../example.js`, `some-package`, `fs`,
- *   etc).
- * @param {string} parent
- *   The absolute parent module URL to resolve from.
- *   You must pass `import.meta.url` or something else.
- * @returns {string}
- *   Returns a string to a full `file:`, `data:`, or `node:` URL
- *   to the found thing.
- */
-export function resolve(specifier: string, parent: string): string;
-export { moduleResolve } from "./lib/resolve.js";
-export type ErrnoException = import("./lib/errors.js").ErrnoException;
-//# sourceMappingURL=index.d.ts.map