Initial release of "dongchedi" skill for public automotive information:

- Provides structured access to Dongchedi official site: homepage, vehicle catalog, buying guides, events, and help center.
- Focuses on organizing publicly available vehicle info, configuration options, guides, dealer links, and service portals.
- Does not offer pricing quotes, vehicle ordering, or access to non-public data.
- Includes compliance reminders: only public info, respect for privacy, and avoidance of unauthorized data handling.
- Designed for summarizing car details, comparisons, guide content, and service flows based on Dongchedi's public pages.