add pre-commit (#6156)

Signed-off-by: Ye Sijun <junnplus@gmail.com>

.pre-commit-config.yaml

@@ -0,0 +1,10 @@
+repos:
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.12.0
+    hooks:
+      - id: isort
+  - repo: https://github.com/psf/black
+    rev: 23.1.0
+    hooks:
+      - id: black
+        language_version: python3

pyproject.toml

@@ -0,0 +1,18 @@
+[project]
+requires-python = ">=3.8"
+
+[tool.black]
+target-version = ['py38']
+line-length = 119
+force-exclude = '''
+/(
+  migrations
+)/
+'''
+
+[tool.isort]
+py_version = 38
+multi_line_output = 3
+include_trailing_comma = true
+use_parentheses = true
+skip = "migrations"

requirements_dev.txt

@@ -6,3 +6,4 @@ ptvsd==4.3.2
 freezegun==1.2.1
 watchdog==0.9.0
 ptpython==3.0.23
+pre-commit==3.3.3