slin000111

### Description 1. Doc for agent about train_cn 2. Doc for agent about train_agentfabric_llm_tool_use_cn ### Link _No response_

### Description 1. Doc for agent about train_cn 2. Doc for agent about train_agentfabric_llm_tool_use_cn ### Link _No response_

## Change Summary 1. add docs/training_llms/train_cn.md 2. add docs/training_llms/train_agentfabric_llm_tool_use_cn.md 3. fix finetune script in train documentation, docs/training_llms/train.md 4. Update swift version in the example of finetune_llm ## Related issue number...

[Bug] llama-factory训练报错：ModuleNotFoundError: No module named 'cpuinfer_ext.sft_moe'; 'cpuinfer_ext' is not a package

1

### 检查清单 - [x] 1. 我已经搜索过相关问题，但未能获得预期的帮助 - [ ] 2. 该问题在最新版本中尚未修复 - [ ] 3. 请注意，如果您提交的BUG相关 issue 缺少对应环境信息和最小可复现示例，我们将难以复现和定位问题，降低获得反馈的可能性 - [ ] 4. 如果您提出的不是bug而是问题，请在讨论区发起讨论 https://github.com/kvcache-ai/ktransformers/discussions。否则该 issue 将被关闭 - [ ] 5....