Update CI config

Add .flake8 config file Add black experimental long string processing

.github/workflows/linting.yaml

@@ -39,5 +39,6 @@ jobs:
           # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
           #flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
       - name: Lint with pylint
+        if: always()
         run: |
           pylint app *.py