♻️ 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/schema.d.ts

@@ -1,23 +0,0 @@
-/**
- * @import {Schema as SchemaType, Space} from 'property-information'
- */
-/** @type {SchemaType} */
-export class Schema {
-    /**
-     * @param {SchemaType['property']} property
-     *   Property.
-     * @param {SchemaType['normal']} normal
-     *   Normal.
-     * @param {Space | undefined} [space]
-     *   Space.
-     * @returns
-     *   Schema.
-     */
-    constructor(property: SchemaType["property"], normal: SchemaType["normal"], space?: Space | undefined);
-    normal: Record<string, string>;
-    property: Record<string, import("property-information").Info>;
-    space: Space | undefined;
-}
-import type { Space } from 'property-information';
-import type { Schema as SchemaType } from 'property-information';
-//# sourceMappingURL=schema.d.ts.map