♻️ 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/lib/util/wrap.js

@@ -1,27 +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');
-};