[TRTLLM-6495] doc: add disclaimer for 3rd party software installation. (#6039)

Signed-off-by: nv-guomingz <[email protected]>

Author: nv-guomingz

docs/source/installation/linux.md

@@ -32,6 +32,7 @@
    ```bash
    pip3 install --upgrade pip setuptools && pip3 install tensorrt_llm
    ```
+   **This project will download and install additional third-party open source software projects. Review the license terms of these open source projects before use.**
 
 2. Sanity check the installation by running the following in Python (tested on Python 3.12):
 

docs/source/quick-start-guide.md

@@ -8,6 +8,8 @@ This is the starting point to try out TensorRT-LLM. Specifically, this Quick Sta
 
 There are multiple ways to install and run TensorRT-LLM. For most users, the options below should be ordered from simple to complex. The approaches are equivalent in terms of the supported features.
 
+Note: **This project will download and install additional third-party open source software projects. Review the license terms of these open source projects before use.**
+
 1. [](installation/containers)
 
 1. Pre-built release wheels on [PyPI](https://pypi.org/project/tensorrt-llm) (see [](installation/linux))