chore: initialize qiming workspace repository

qiming-backend/COMMERCIAL_LICENSE.md

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+# 商业授权 | Commercial License
+
+## 授权说明 | Licensing Overview
+
+本软件采用 **Apache 2.0 开源许可证**，您可以免费使用、修改和分发。但在以下情况下，您需要获得商业授权：
+
+This software is licensed under the **Apache License 2.0**, which allows free use, modification, and distribution. However, a commercial license is required for the following scenarios:
+
+## 需要商业授权的场景 | Commercial License Scenarios
+
+### ✅ 免费使用（Apache 2.0）| Free Use (Apache 2.0)
+- 个人学习和研究 | Personal learning and research
+- 企业内部使用 | Internal enterprise use
+- 开源项目 | Open source projects
+- 商业项目（保留版权声明）| Commercial projects (with copyright attribution)
+
+### 💰 需要商业授权 | Commercial License Required
+- **白标产品**：移除或替换原始版权声明 | **White-label Products**: Remove or replace original copyright notices
+- **OEM 合作**：将软件集成到你的产品中销售 | **OEM Partnerships**: Integrate software into your products for resale
+- **品牌定制**：使用你自己的品牌分发软件 | **Custom Branding**: Distribute software under your own brand
+- **无署名分发**：不注明原始来源的分发 | **Attribution-free Distribution**: Distribute without original source attribution
+
+## 常见问题 | FAQ
+
+### Q: 开源版和商业版有什么区别？| What's the difference between open source and commercial versions?
+
+**A:** 功能完全相同。区别在于：| **A:** The functionality is identical. The difference is:
+- 开源版必须保留版权声明 | Open source version requires copyright attribution
+- 商业版可以移除版权，使用自己的品牌 | Commercial version allows copyright removal and custom branding
+
+### Q: 我已经修改了代码，还需要授权吗？| Do I need a license if I've modified the code?
+
+**A:** 如果你的修改是基于原始代码的衍生作品，且仍包含原始代码，移除版权声明仍需授权。| **A:** If your modifications are derivative works based on the original code and still contain original code, you still need a license to remove copyright notices.
+
+### Q: 授权后是否包含技术支持？| Does the license include technical support?
+
+**A:** 企业版和 OEM 版包含基础技术支持，其他级别支持需单独购买。| **A:** Enterprise and OEM editions include basic technical support. Other support levels require separate purchase.
+
+### Q: 可以转售授权吗？| Can I resell the license?
+
+**A:** 不可转售。每个授权仅对申请者有效。| **A:** No resale allowed. Each license is valid only for the applicant.