Add memory-efficient merging script

.gitignore

@@ -1,4 +1,2 @@
 .DS_Store
 */.DS_Store
-*.ipynb
-*/*.ipynb

notebooks/README.md

@@ -1,20 +1,12 @@
 # 笔记本示例 Notebooks
 
-###  convert_and_quantize_chinese_llama.ipynb
+###  convert_and_quantize_chinese_llama_and_alpaca.ipynb
 
-Colab上的转换和量化中文LLaMA/Alpaca的运行示例（仅供流程参考）。
+Colab上的转换和量化中文LLaMA/Alpaca（含Plus版本）的运行示例（仅供流程参考）。
 
 Example of conversion and quantization for Chinese LLaMA/Alpaca.
 
-建议查看Colab上的最新版 / Check latest notebook：<a href="https://colab.research.google.com/drive/1Eak6azD3MLeb-YsfbP8UZC8wrL1ddIMI?usp=sharing" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>
-
-###  convert_and_quantize_chinese_alpaca_plus.ipynb
-
-Colab上的转换和量化中文Alpaca-Plus的运行示例（仅供流程参考）。
-
-Example of conversion and quantization for Chinese Alpaca-Plus.
-
-建议查看Colab上的最新版 / Check latest notebook：<a href="https://colab.research.google.com/drive/1axIgPoThgm-v3rglmRV9QnhVsJKHsHBj?usp=sharing" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>
+建议查看Colab上的最新版 / Check latest notebook：<a href="https://colab.research.google.com/drive/1FnFkyKhrnS7s-2lDDeous-AutdI_SkAd?usp=sharing" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>
 
 ### pretrain_chinese_llama_lora.ipynb
 
@@ -38,4 +30,10 @@ Colab上的Gradio演示示例。
 
 Example of running the Gradio demo on Colab.
 
-在Colab中打开 / Open the notebook in Colab: [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ymcui/Chinese-LLaMA-Alpaca/blob/main/notebooks/gradio_web_demo.ipynb) 
+在Colab中打开 / Open the notebook in Colab: [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ymcui/Chinese-LLaMA-Alpaca/blob/main/notebooks/gradio_web_demo.ipynb) 
+
+###  legacy/
+
+旧版notebook，供参考，但不会再更新。
+
+Old notebook. Reference only, will not be updated.