added linting tools

Author: daniel-gray-tangent

.github/workflows/testing.yml

@@ -10,6 +10,10 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
+      - name: Run linting tools
+        run: |
+          cd app/
+          ruff format .
       - name: Run Tests
         run: |
           cd app/