♻️ 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/@astrojs/markdown-remark/dist/index.d.ts

@@ -1,14 +0,0 @@
-import type { AstroMarkdownOptions, AstroMarkdownProcessorOptions, MarkdownProcessor, SyntaxHighlightConfig } from './types.js';
-export { extractFrontmatter, isFrontmatterValid, type ParseFrontmatterOptions, type ParseFrontmatterResult, parseFrontmatter, } from './frontmatter.js';
-export { rehypeHeadingIds } from './rehype-collect-headings.js';
-export { rehypePrism } from './rehype-prism.js';
-export { rehypeShiki } from './rehype-shiki.js';
-export { remarkCollectImages } from './remark-collect-images.js';
-export { type CreateShikiHighlighterOptions, createShikiHighlighter, type ShikiHighlighter, type ShikiHighlighterHighlightOptions, } from './shiki.js';
-export * from './types.js';
-export declare const syntaxHighlightDefaults: Required<SyntaxHighlightConfig>;
-export declare const markdownConfigDefaults: Required<AstroMarkdownOptions>;
-/**
- * Create a markdown preprocessor to render multiple markdown files
- */
-export declare function createMarkdownProcessor(opts?: AstroMarkdownProcessorOptions): Promise<MarkdownProcessor>;