Add .pre-commit-config.yaml to automatically detect code issues when …

…git commit

.pre-commit-config.yaml

@@ -0,0 +1,22 @@
+# Install
+# 1. pip install pre-commit
+# 2. pre-commit install(the first time you download the repo, it will be cached for future use)
+repos:
+  - repo: https://github.com/pycqa/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+        args: [
+            "--show-source",
+            "--count",
+            "--statistics",
+            "--extend-ignore=E203,E402,C901,E501,E101,E266,E731,W291,F821,W191",
+            "--per-file-ignores=__init__.py:F401",
+        ] # when necessary, ignore errors, https://flake8.pycqa.org/en/latest/user/error-codes.html
+        exclude: ^venv/ # exclude dir, e.g. (^foo/|^bar/)
+
+  - repo: https://github.com/pycqa/isort
+    rev: 5.11.5
+    hooks:
+      - id: isort
+        args: ['--profile', 'black']