update: readme, for better install

Author: namtranase

README.md

@@ -13,21 +13,26 @@ Special thanks to the creators and contributors of [gemma.cpp](https://github.co
 ## 🛠 Installation
 
 ```bash
+git clone https://github.com/namtranase/gemma-cpp-python.git
+git submodule update --init --recursive
 pip install -r requirements.txt
 pip install .
 ```
 
 ## 🖥 Usage
 
+To acctually run the model, you need to install the model followed on the [gemma.cpp](https://github.com/google/gemma.cpp?tab=readme-ov-file#step-1-obtain-model-weights-and-tokenizer-from-kaggle) repo
+
 For usage examples, refer to tests/test_chat.py. Here's a quick start:
 ```bash
 import pygemma
 pygemma.show_help()
 ```
 
+
+
 ## 🤝 Contributing
 Contributions are welcome. Please clone the repository, push your changes to a new branch, and submit a pull request.
 
 ## License
 gemma-cpp-python is MIT licensed. See the LICENSE file for details.
-