feat: add CNB cloud training config (GPU Dockerfile + .cnb.yml + train_cnb.py)

.cnb.yml

@@ -0,0 +1,15 @@
+version: "3"
+tasks:
+  - name: "训练小狸AI"
+    image:
+      dockerfile: .ide/Dockerfile
+    resources:
+      cpu: 8
+      memory: 32G
+      gpu: 1
+    env:
+      CUDA_VISIBLE_DEVICES: "0"
+      PYTHONUNBUFFERED: "1"
+    commands:
+      - cd /workspace && git clone https://cnb.cool/ETeam_sy/xiaoli-llm-chat.git
+      - cd xiaoli-llm-chat && python3 scripts/train_cnb.py --epochs 50 --batch_size 16