docs: add qwen-qlora-train link to fine-tuning section

README.md

@@ -103,6 +103,9 @@ This model is an **intermediate artifact** — not a direct training target.
 For fine-tuning, use [techwithsergiu/Qwen3.5-text-4B-bnb-4bit](https://huggingface.co/techwithsergiu/Qwen3.5-text-4B-bnb-4bit)
 which is the BNB-quantized version of this model.
 
+Training pipeline (QLoRA · Unsloth · TRL):
+[github.com/techwithsergiu/qwen-qlora-train](https://github.com/techwithsergiu/qwen-qlora-train)
+
 ## Pipeline diagram
 
 ![](diagrams/diagram_02.png)