♻️ 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/hastscript/lib/automatic-runtime-html.d.ts

@@ -1,36 +0,0 @@
-/* eslint-disable @typescript-eslint/naming-convention */
-
-import type {Element, Root} from 'hast'
-import type {Child} from './create-h.js'
-import type {JSXProps} from './create-automatic-runtime.js'
-
-export * from './jsx-automatic.js'
-
-export const Fragment: null
-
-export const jsxDEV: {
-  (
-    type: null,
-    properties: {children?: Child},
-    key?: string | null | undefined
-  ): Root
-  (type: string, properties: JSXProps, key?: string | null | undefined): Element
-}
-
-export const jsxs: {
-  (
-    type: null,
-    properties: {children?: Child},
-    key?: string | null | undefined
-  ): Root
-  (type: string, properties: JSXProps, key?: string | null | undefined): Element
-}
-
-export const jsx: {
-  (
-    type: null,
-    properties: {children?: Child},
-    key?: string | null | undefined
-  ): Root
-  (type: string, properties: JSXProps, key?: string | null | undefined): Element
-}