Update skills/rsdoctor-analysis/SKILL.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: yifancong

skills/rsdoctor-analysis/SKILL.md

@@ -112,6 +112,7 @@ You are an AI assistant for Rsdoctor. Through the rsdoctor-skill JS CLI, read th
    RSDOCTOR=true npm run build
    # Or use pnpm/yarn
    RSDOCTOR=true pnpm run build
+   RSDOCTOR=true yarn build
    ```
 
    After build completes, `rsdoctor-data.json` file will be generated in the output directory (common locations: `dist/rsdoctor-data.json`, `output/rsdoctor-data.json`, `static/rsdoctor-data.json`).