DS Plugin: dsh-solid-food (Complementary Feeding Guide)

The DSH plugin `dsh-solid-food` is specifically designed for infant and young child solid-food introduction scenarios, providing clear recommendations by registering the `solid_food` tool. It is implemented in Node.js with no network dependencies, requires installing the `@deepseek-ai/cordis` and `@deepseek-ai/dsh-tools` dependencies, and is released under the MIT license. Users can install it by running the `dsh plugin add` command. When invoking the tool, please follow medical advice.