♻️ 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

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✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/mdast-util-gfm/lib/index.d.ts

@@ -1,24 +0,0 @@
-/**
- * Create an extension for `mdast-util-from-markdown` to enable GFM (autolink
- * literals, footnotes, strikethrough, tables, tasklists).
- *
- * @returns {Array<FromMarkdownExtension>}
- *   Extension for `mdast-util-from-markdown` to enable GFM (autolink literals,
- *   footnotes, strikethrough, tables, tasklists).
- */
-export function gfmFromMarkdown(): Array<FromMarkdownExtension>;
-/**
- * Create an extension for `mdast-util-to-markdown` to enable GFM (autolink
- * literals, footnotes, strikethrough, tables, tasklists).
- *
- * @param {Options | null | undefined} [options]
- *   Configuration (optional).
- * @returns {ToMarkdownExtension}
- *   Extension for `mdast-util-to-markdown` to enable GFM (autolink literals,
- *   footnotes, strikethrough, tables, tasklists).
- */
-export function gfmToMarkdown(options?: Options | null | undefined): ToMarkdownExtension;
-import type { Extension as FromMarkdownExtension } from 'mdast-util-from-markdown';
-import type { Options } from 'mdast-util-gfm';
-import type { Options as ToMarkdownExtension } from 'mdast-util-to-markdown';
-//# sourceMappingURL=index.d.ts.map

dealplustech-astro/node_modules/mdast-util-gfm/lib/index.d.ts.map

@@ -1 +0,0 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["index.js"],"names":[],"mappings":"AAwBA;;;;;;;GAOG;AACH,mCAJa,KAAK,CAAC,qBAAqB,CAAC,CAYxC;AAED;;;;;;;;;GASG;AACH,wCANW,OAAO,GAAG,IAAI,GAAG,SAAS,GAExB,mBAAmB,CAc/B;wDA7DoD,0BAA0B;6BACrD,gBAAgB;oDACO,wBAAwB"}

dealplustech-astro/node_modules/mdast-util-gfm/lib/index.js

@@ -1,63 +0,0 @@
-/**
- * @import {Extension as FromMarkdownExtension} from 'mdast-util-from-markdown'
- * @import {Options} from 'mdast-util-gfm'
- * @import {Options as ToMarkdownExtension} from 'mdast-util-to-markdown'
- */
-
-import {
-  gfmAutolinkLiteralFromMarkdown,
-  gfmAutolinkLiteralToMarkdown
-} from 'mdast-util-gfm-autolink-literal'
-import {
-  gfmFootnoteFromMarkdown,
-  gfmFootnoteToMarkdown
-} from 'mdast-util-gfm-footnote'
-import {
-  gfmStrikethroughFromMarkdown,
-  gfmStrikethroughToMarkdown
-} from 'mdast-util-gfm-strikethrough'
-import {gfmTableFromMarkdown, gfmTableToMarkdown} from 'mdast-util-gfm-table'
-import {
-  gfmTaskListItemFromMarkdown,
-  gfmTaskListItemToMarkdown
-} from 'mdast-util-gfm-task-list-item'
-
-/**
- * Create an extension for `mdast-util-from-markdown` to enable GFM (autolink
- * literals, footnotes, strikethrough, tables, tasklists).
- *
- * @returns {Array<FromMarkdownExtension>}
- *   Extension for `mdast-util-from-markdown` to enable GFM (autolink literals,
- *   footnotes, strikethrough, tables, tasklists).
- */
-export function gfmFromMarkdown() {
-  return [
-    gfmAutolinkLiteralFromMarkdown(),
-    gfmFootnoteFromMarkdown(),
-    gfmStrikethroughFromMarkdown(),
-    gfmTableFromMarkdown(),
-    gfmTaskListItemFromMarkdown()
-  ]
-}
-
-/**
- * Create an extension for `mdast-util-to-markdown` to enable GFM (autolink
- * literals, footnotes, strikethrough, tables, tasklists).
- *
- * @param {Options | null | undefined} [options]
- *   Configuration (optional).
- * @returns {ToMarkdownExtension}
- *   Extension for `mdast-util-to-markdown` to enable GFM (autolink literals,
- *   footnotes, strikethrough, tables, tasklists).
- */
-export function gfmToMarkdown(options) {
-  return {
-    extensions: [
-      gfmAutolinkLiteralToMarkdown(),
-      gfmFootnoteToMarkdown(options),
-      gfmStrikethroughToMarkdown(),
-      gfmTableToMarkdown(options),
-      gfmTaskListItemToMarkdown()
-    ]
-  }
-}