Initial release of the douyu skill.

- Registers the “斗鱼” (Douyu) skill for organizing information from the Douyu live streaming platform’s public pages.
- Focuses on summarizing public information such as live categories, event pages, streamer rules, announcements, and help documentation.
- Clarifies boundaries—does not support boosting views, proxy streaming, gift-related arbitrage, account takeover, or evading risk controls.
- Provides key entry points for homepage, streamer centers, event/classification pages, and help/rules/safety documentation.
- Outlines common use cases like event and rule aggregation, organizing streamer support, regulations, and help resources.
- Emphasizes compliance: only processes publicly visible data; does not handle private, sensitive, or backend information.