refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/property-information/lib/util/merge.d.ts

@@ -0,0 +1,12 @@
+/**
+ * @param {ReadonlyArray<Schema>} definitions
+ *   Definitions.
+ * @param {Space | undefined} [space]
+ *   Space.
+ * @returns {Schema}
+ *   Schema.
+ */
+export function merge(definitions: ReadonlyArray<Schema>, space?: Space | undefined): Schema;
+import { Schema } from './schema.js';
+import type { Space } from 'property-information';
+//# sourceMappingURL=merge.d.ts.map