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/import-meta-resolve/lib/utils.d.ts

@@ -0,0 +1,6 @@
+/**
+ * @param {Array<string>} [conditions]
+ * @returns {Set<string>}
+ */
+export function getConditionsSet(conditions?: Array<string>): Set<string>;
+//# sourceMappingURL=utils.d.ts.map