build: add pyproject.toml for formatters configuration

pers0n4 · pers0n4 · commit 79373c1b7efc · 2023-03-01T18:50:01.000+09:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -0,0 +1,12 @@
+[tool.black]
+line-length = 88
+include = '\.pyi?$'
+extend-exclude = '''
+(
+  migrations
+)
+'''
+
+[tool.isort]
+extend_skip = ["migrations"]
+profile = "black"
