♻️ 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/action.js

@@ -1,38 +0,0 @@
-'use strict';
-
-module.exports = (key, isSelect) => {
-  if (key.meta && key.name !== 'escape') return;
-
-  if (key.ctrl) {
-    if (key.name === 'a') return 'first';
-    if (key.name === 'c') return 'abort';
-    if (key.name === 'd') return 'abort';
-    if (key.name === 'e') return 'last';
-    if (key.name === 'g') return 'reset';
-  }
-
-  if (isSelect) {
-    if (key.name === 'j') return 'down';
-    if (key.name === 'k') return 'up';
-  }
-
-  if (key.name === 'return') return 'submit';
-  if (key.name === 'enter') return 'submit'; // ctrl + J
-
-  if (key.name === 'backspace') return 'delete';
-  if (key.name === 'delete') return 'deleteForward';
-  if (key.name === 'abort') return 'abort';
-  if (key.name === 'escape') return 'exit';
-  if (key.name === 'tab') return 'next';
-  if (key.name === 'pagedown') return 'nextPage';
-  if (key.name === 'pageup') return 'prevPage'; // TODO create home() in prompt types (e.g. TextPrompt)
-
-  if (key.name === 'home') return 'home'; // TODO create end() in prompt types (e.g. TextPrompt)
-
-  if (key.name === 'end') return 'end';
-  if (key.name === 'up') return 'up';
-  if (key.name === 'down') return 'down';
-  if (key.name === 'right') return 'right';
-  if (key.name === 'left') return 'left';
-  return false;
-};