♻️ 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/index.js

@@ -1,69 +0,0 @@
-/**
- * @typedef {import('micromark-extension-gfm-footnote').HtmlOptions} HtmlOptions
- * @typedef {import('micromark-extension-gfm-strikethrough').Options} Options
- * @typedef {import('micromark-util-types').Extension} Extension
- * @typedef {import('micromark-util-types').HtmlExtension} HtmlExtension
- */
-
-import {
-  combineExtensions,
-  combineHtmlExtensions
-} from 'micromark-util-combine-extensions'
-import {
-  gfmAutolinkLiteral,
-  gfmAutolinkLiteralHtml
-} from 'micromark-extension-gfm-autolink-literal'
-import {gfmFootnote, gfmFootnoteHtml} from 'micromark-extension-gfm-footnote'
-import {
-  gfmStrikethrough,
-  gfmStrikethroughHtml
-} from 'micromark-extension-gfm-strikethrough'
-import {gfmTable, gfmTableHtml} from 'micromark-extension-gfm-table'
-import {gfmTagfilterHtml} from 'micromark-extension-gfm-tagfilter'
-import {
-  gfmTaskListItem,
-  gfmTaskListItemHtml
-} from 'micromark-extension-gfm-task-list-item'
-
-/**
- * Create an extension for `micromark` to enable GFM syntax.
- *
- * @param {Options | null | undefined} [options]
- *   Configuration (optional).
- *
- *   Passed to `micromark-extens-gfm-strikethrough`.
- * @returns {Extension}
- *   Extension for `micromark` that can be passed in `extensions` to enable GFM
- *   syntax.
- */
-export function gfm(options) {
-  return combineExtensions([
-    gfmAutolinkLiteral(),
-    gfmFootnote(),
-    gfmStrikethrough(options),
-    gfmTable(),
-    gfmTaskListItem()
-  ])
-}
-
-/**
- * Create an extension for `micromark` to support GFM when serializing to HTML.
- *
- * @param {HtmlOptions | null | undefined} [options]
- *   Configuration (optional).
- *
- *   Passed to `micromark-extens-gfm-footnote`.
- * @returns {HtmlExtension}
- *   Extension for `micromark` that can be passed in `htmlExtensions` to
- *   support GFM when serializing to HTML.
- */
-export function gfmHtml(options) {
-  return combineHtmlExtensions([
-    gfmAutolinkLiteralHtml(),
-    gfmFootnoteHtml(options),
-    gfmStrikethroughHtml(),
-    gfmTableHtml(),
-    gfmTagfilterHtml(),
-    gfmTaskListItemHtml()
-  ])
-}