update GitHub Actions to lint all files

Author: osanto

.github/workflows/build-deploy.yml

@@ -44,13 +44,13 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          pip install black flake8 pytest pytest-html 
+          pip install -r requirements-dev.txt
 
       - name: Check code formatting with Black
-        run: black --check app/ tests/
+        run: black --check .
 
       - name: Lint code with Flake8
-        run: flake8 app/ tests/
+        run: flake8 .
 
       - name: Run tests
         run: |