added lfs files to runners

.github/workflows/python-app.yml

@@ -1,28 +1,39 @@
 name: Test the Countoscope
 on:
+  # Run the workflow on pushes to the 'develop' branch and pull requests targeting 'develop'
   push:
     branches: [ develop ]
   pull_request:
     branches: [ develop ]
 
 jobs:
+  # Specify the OS environment (Ubuntu) for the GitHub runner
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest  
+
     steps:
+    # Step 1: Checkout the repository, including submodules and any LFS-managed files
     - uses: actions/checkout@v2
       with:
-        submodules: true  # Initialize and update submodules
+        submodules: true
+        lfs: true
+
+    # Step 2: Set up Python 3.10.7
     - name: Set up Python 3.10.7
       uses: actions/setup-python@v2
       with:
         python-version: "3.10.7"
+
+    # Step 3: Update pip, Install dependencies, Install the Countoscope
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-        pip install .
+        pip install . 
+
+    # Step 4: Run tests using pytest
     - name: Test with pytest
       run: |
-        cd tests
+        cd tests  
         pip install -r requirements.txt
         pytest .