webllm python utility

doc/WebLlm.md

@@ -20,8 +20,6 @@ No WebGPU → no in-browser LLM can run in this browser.
 Use a recent Chrome/Edge (≥ 113) or Safari 18+ (chrome://flags/#enable-unsafe-webgpu on Linux).
 ```
 
-
-
 ---
 
 - [Homepage du machine learning compiler (MLC)](https://llm.mlc.ai/docs/deploy/webllm.html)
@@ -30,4 +28,58 @@ Use a recent Chrome/Edge (≥ 113) or Safari 18+ (chrome://flags/#enable-unsafe-
 
 ---
 
+- [Homepage Webllm](https://webllm.org/)
 - [Le projet WebLLM](https://github.com/mlc-ai/web-llm)
+
+
+## install webllm 
+
+
+[Suivre l'install](https://github.com/mlc-ai/web-llm) dans le readme.
+
+
+## install the python mlc local chat utility
+
+### install 
+
+L'install doit se faire avec des version très précises sinon il y a des difficultés.
+
+- faire un environnement virtuel
+- installer de la manière suivante :
+
+```
+sudo apt-get install git-lfs
+
+pip install --pre -f https://mlc.ai/wheels \
+    mlc-ai-cpu==0.20.0 \
+    mlc-llm-cpu==0.20.0.dev0
+
+
+pip install psutil
+
+# wget https://github.com/mlc-ai/package/releases/download/v0.9.dev0/mlc_llm_cpu-0.20.0.dev0-py3-none-manylinux_2_28_x86_64.whl
+# pip install ./mlc_llm_cpu-0.20.0.dev0-py3-none-manylinux_2_28_x86_64.whl
+
+pip install apache-tvm-ffi==0.1.11
+# https://pypi.org/project/apache-tvm-ffi/#history
+```
+
+### usage 
+
+```
+python -m mlc_llm chat HF://mlc-ai/Llama-3-8B-Instruct-q4f16_1-MLC
+```
+
+```
+You can use the following special commands:
+  /help               print the special commands
+  /exit               quit the cli
+  /stats              print out stats of last request (token/sec)
+  /metrics            print out full engine metrics
+  /reset              restart a fresh chat
+  /set [overrides]    override settings in the generation config. For example,
+                      `/set temperature=0.5;top_p=0.8;seed=23;max_tokens=100;stop=str1,str2`
+                      Note: Separate stop words in the `stop` option with commas (,).
+  Multi-line input: Use escape+enter to start a new line.
+```
+