♻️ 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/prompts/dist/util/wrap.js

@@ -1,16 +0,0 @@
-'use strict';
-/**
- * @param {string} msg The message to wrap
- * @param {object} opts
- * @param {number|string} [opts.margin] Left margin
- * @param {number} opts.width Maximum characters per line including the margin
- */
-
-module.exports = (msg, opts = {}) => {
-  const tab = Number.isSafeInteger(parseInt(opts.margin)) ? new Array(parseInt(opts.margin)).fill(' ').join('') : opts.margin || '';
-  const width = opts.width;
-  return (msg || '').split(/\r?\n/g).map(line => line.split(/\s+/g).reduce((arr, w) => {
-    if (w.length + tab.length >= width || arr[arr.length - 1].length + w.length + 1 < width) arr[arr.length - 1] += ` ${w}`;else arr.push(`${tab}${w}`);
-    return arr;
-  }, [tab]).join('\n')).join('\n');
-};