♻️ 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
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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/hast-util-to-html/lib/omission/omission.d.ts

@@ -1,17 +0,0 @@
-/**
- * Factory to check if a given node can have a tag omitted.
- *
- * @param {Record<string, OmitHandle>} handlers
- *   Omission handlers, where each key is a tag name, and each value is the
- *   corresponding handler.
- * @returns {OmitHandle}
- *   Whether to omit a tag of an element.
- */
-export function omission(handlers: Record<string, OmitHandle>): OmitHandle;
-/**
- * Check if a tag can be omitted.
- */
-export type OmitHandle = (element: Element, index: number | undefined, parent: Parents | undefined) => boolean;
-import type { Element } from 'hast';
-import type { Parents } from 'hast';
-//# sourceMappingURL=omission.d.ts.map