attempt to add flake8 and isort

setup.cfg

@@ -0,0 +1,29 @@
+[isort]
+skip =
+    django-sources,
+    django-stubs,
+    test-data
+include_trailing_comma = true
+multi_line_output = 5
+wrap_length = 120
+
+[flake8]
+exclude =
+    django-sources,
+    django-stubs,
+    test-data
+max_line_length = 120
+
+[tool:pytest]
+testpaths = ./test-data
+addopts =
+    --tb=native
+    --mypy-ini-file=./test-data/plugins.ini
+    -s
+    -v
+
+[bdist_wheel]
+universal = 1
+
+[metadata]
+license_file = LICENSE.txt