move settings to pyproject.toml

Author: jschlyter

.travis.yml

@@ -18,7 +18,7 @@ script:
   - codecov --version
   - tox
   - isort --check src tests
-  - black -l 100 --check src tests
+  - black --check src tests
 after_success:
   - codecov
 notifications:

pyproject.toml

@@ -0,0 +1,12 @@
+# PEP 518: https://www.python.org/dev/peps/pep-0518/
+
+[tool.black]
+line-length = 100
+
+[tool.isort]
+force_single_line = true
+known_first_party = "cryptojwt"
+include_trailing_comma = true
+force_grid_wrap = 0
+use_parentheses = true
+line_length = 100