♻️ 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/property-information/lib/util/create.d.ts

@@ -1,39 +0,0 @@
-/**
- * @param {Definition} definition
- *   Definition.
- * @returns {Schema}
- *   Schema.
- */
-export function create(definition: Definition): Schema;
-/**
- * Definition of a schema.
- */
-export type Definition = {
-    /**
-     * Normalzed names to special attribute case.
-     */
-    attributes?: Record<string, string> | undefined;
-    /**
-     * Normalized names that must be set as properties.
-     */
-    mustUseProperty?: ReadonlyArray<string> | undefined;
-    /**
-     *   Property names to their types.
-     */
-    properties: Record<string, number | null>;
-    /**
-     * Space.
-     */
-    space?: Space | undefined;
-    /**
-     *   Transform a property name.
-     */
-    transform: Transform;
-};
-/**
- * Transform.
- */
-export type Transform = (attributes: Record<string, string>, property: string) => string;
-import { Schema } from './schema.js';
-import type { Space } from 'property-information';
-//# sourceMappingURL=create.d.ts.map