Add instructions for LFS objects

BUILD.md

@@ -19,17 +19,17 @@ python3 -m venv spgr
 .\spgr\Scripts\activate.bat
 ```
 
-3. Clone the repository
+3. Clone the repository. There are some data files that are stored in git LFS, so we ensure that the hooks are installed first, then `git clone` is able to download both sets of files.
 
 ```commandline
+git lfs install
 git clone https://github.com/aliaksei135/seedpod_ground_risk.git
 ```
 
 4. Install requirements
 
 ```commandline
 cd seedpod_ground_risk
-
 pip install -r requirements.txt
 ```
 
@@ -48,17 +48,16 @@ python -m venv spgr
 source spgr/bin/activate
 ```
 
-3. Clone the repository
-
+3. Clone the repository. There are some data files that are stored in git LFS, so we ensure that the hooks are installed first, then `git clone` is able to download both sets of files.
 ```commandline
+git lfs install
 git clone https://github.com/aliaksei135/seedpod_ground_risk.git
 ```
 
 4. Install requirements
 
 ```commandline
 cd seedpod_ground_risk
-
 pip install -r requirements-linux.txt
 ```