♻️ 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/micromark-extension-gfm-autolink-literal/lib/html.js

@@ -1,60 +0,0 @@
-/**
- * @import {CompileContext, Handle, HtmlExtension, Token} from 'micromark-util-types'
- */
-
-import { sanitizeUri } from 'micromark-util-sanitize-uri';
-
-/**
- * Create an HTML extension for `micromark` to support GitHub autolink literal
- * when serializing to HTML.
- *
- * @returns {HtmlExtension}
- *   Extension for `micromark` that can be passed in `htmlExtensions` to
- *   support GitHub autolink literal when serializing to HTML.
- */
-export function gfmAutolinkLiteralHtml() {
-  return {
-    exit: {
-      literalAutolinkEmail,
-      literalAutolinkHttp,
-      literalAutolinkWww
-    }
-  };
-}
-
-/**
- * @this {CompileContext}
- * @type {Handle}
- */
-function literalAutolinkWww(token) {
-  anchorFromToken.call(this, token, 'http://');
-}
-
-/**
- * @this {CompileContext}
- * @type {Handle}
- */
-function literalAutolinkEmail(token) {
-  anchorFromToken.call(this, token, 'mailto:');
-}
-
-/**
- * @this {CompileContext}
- * @type {Handle}
- */
-function literalAutolinkHttp(token) {
-  anchorFromToken.call(this, token);
-}
-
-/**
- * @this CompileContext
- * @param {Token} token
- * @param {string | null | undefined} [protocol]
- * @returns {undefined}
- */
-function anchorFromToken(token, protocol) {
-  const url = this.sliceSerialize(token);
-  this.tag('<a href="' + sanitizeUri((protocol || '') + url) + '">');
-  this.raw(this.encode(url));
-  this.tag('</a>');
-}