docs: add git lfs pull step before install from source code to download full data files (#69) (#71)

Signed-off-by: Harrison King Saturley-Hall <hsaturleyhal@nvidia.com>
Co-authored-by: Se7en <chengzw258@163.com>

Author: saturley-hall

README.md

@@ -34,6 +34,7 @@ apt-get install git-lfs  # (Linux)
 
 # 2. Clone the repo
 git clone https://github.com/ai-dynamo/aiconfigurator.git
+git lfs pull
 
 # 3. Create and activate a virtual environment
 python3 -m venv myenv && source myenv/bin/activate # (requires Python 3.9 or later)